Patent Attorney	Yasuhiro Ohtsuka, Ph.D. (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts and Customs; legal opinions on infringement and validity; particular experience in image processing, mobile communications and Internet, information technologies (both hardware and software), semiconductors and electronic devices.
Education	M.S., The University of Tokyo, Electronic and Information Engineering Ph.D., The University of Tokyo, Electronic Engineering (with emphasis on CMOS image sensors and image processing)
Career	Co-researcher in telecommunication systems at the Hattori Research Laboratory; Postdoctoral Fellowship from the Japan Society for the Promotion of Science (JSPS) in the field of Mathematical, Physical and Engineering Science. Japanese Patent Attorney since 1999.
Membership(s)	Japan Patent Attorneys Association (JPAA), The Imaging Society of Japan, Information and Communication Engineers
Publication(s)	Numerous academic papers published through academic associations, such as the IEEE; The Basics of Patents (co-author; published by Ohm); contributes CAFC reports to The Lawyers (monthly journal)

Patent Attorney	Jiro Takayanagi (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts and Customs; legal opinions on infringement and validity; particular experience in the area of mobile communications, ATM switches, Internet-related communications, information processing technology and optical communications.
Education	B.S., Keio University, Electrical Engineering M.S., Keio University, Electrical Engineering (with emphasis on telecommunications)
Career	Japanese Patent Attorney since 1998. Patent Attorney, Hitachi, Information Systems Group and Intellectual Property Group. Lecturer in Intellectual Property at Keio University.
Membership(s)	Japan Patent Attorneys Association (JPAA), AIPPI
Publication(s)	The Basics of Patents (co-author; published by Ohm); contributes CAFC reports to The Lawyers (monthly journal)

Patent Attorney	Osamu Shimoyama (Partner)
Specialties	Patent and design practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts and Customs; legal opinions on infringement and validity; particular experience in computer software and hardware-related inventions and telecommunications.
Education	B.S., University of Electro-Communications, Computer Science
Career	Japanese Patent Attorney since 2003. Active in the patent field since 1990. Worked for NCR Japan as a software and firmware engineer.
Membership(s)	Japan Patent Attorneys Association (JPAA), The Institute of Electronics, Information and Communication Engineers

Patent Attorney	Yukimitsu Eikawa (Partner)
Specialties	Patent and design practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the area of semiconductor technology, semiconductor production equipment and computer hardware and software.
Education	B.S., Tokyo Agriculture and Technology University, Electrical Engineering
Career	Japanese Patent Attorney since 2004. Active in the patent field since 1995. Worked in the LSI Division of JFK Steel Corporation, designing microprocessors. Special expertise in semiconductor technology.
Membership(s)	Japan Patent Attorneys Association (JPAA), Institute of Intellectual Property
Publication(s)	The Basics of Patents (co-author; published by Ohm)

Patent Attorney	Takashi Sakamoto
Specialties	Patent practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; particular experience in the fields of telecommunications, image processing and optical recording technologies.
Education	B.S., Electronics, Kobe University
Career	Japanese Patent Attorney since 2004. Worked for International Digital Communications Inc. as a transmission engineer in the field of core network design.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Attorney Principal	Kiyohito Ejima
Specialties	Patent practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; particular experience in the fields of information and communication technologies.
Education	B.S., Waseda University, Electronicｓ, Information and Telecommunications
Career	Qualified as a Japanese Patent Attorney in 1990. Worked for the Japan Patent Office as: a) Patent Examiner in the fields of Electronic Circuits and Digital Communications, b) Appeal Examiner (Digital communications), c) Director of Examinations in the divisions of Digital communications, Electronic Image Devices and Electronic Commerce, and d) Director of the Board of Appeals (Interface and Transmission Systems).
Membership(s)	Japan Patent Attorneys Association (JPAA) Executive Director at Japan Intellectual Property Association (JPAA)

Patent Attorney	Yasuhiro Sakata (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the areas of Internet technology, telecomunications and mobile communications.
Education	B.S., The University of Tokyo, Electronic and Information Engineering M.S., The University of Tokyo, Electronic Engineering
Career	Japanese Patent Attorney since 2004. Conducted study on information technology with an emphasis on the fields of Internet search engines, web applications and artificial intelligence.
Membership(s)	Japan Patent Attorneys Association (JPAA), The Institute of Electronics, Information and Communication Engineers

Patent Attorney	Takahiro Ohto (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the fields of image processing, computing and telecommunications.
Education	B.S., University of Tokyo, Mathematical Informatics M.S., University of Tokyo, Mathematical Informatics
Career	Active in the patent field since 2007, Japanese Patent Attorney since 2009. Worked for IBM Japan Ltd. as Technical Sales Support Engineer for Storage Products.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Attorney	Koji Maeda (Partner)
Specialties	Patent practice before Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the areas of wireless communication, signal processing and information theory.
Education	B.Eng., Tokyo Institute of technology, Electrical and Electronic Engineering M.Eng., Tokyo Institute of technology, Electrical and Electronic Engineering
Career	JJapanese Patent Attorney since 2010. Worked for NTT DOCOMO as researcher at R&D. Developed interference canceller for mobile and fixed wireless communication systems, and cognitive radio techniques.
Membership(s)	Japan Patent Attorneys Association (JPAA) IEEE (Communication society)

Patent Attorney	Tomofumi Kinoshita (Partner)
Specialties	Patent practice in chemical enginnering and pharmaceutical fields, particular expertise in organic chemistry, especially in development of the new catalytic asymmetric reactions applicable to the efficient production of anticancer drugs and anti-Influenza drugs; and especially computer-related technology expertise.
Education	B.S., University of Tokyo, Pharmaceutical Sciences M.S., University of Tokyo, Pharmaceutical Sciences
Career	Japanese Patent Attorney since 2013.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Attorney	Haruhito Yoshida, Ph.D.
Specialties	Patent practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; particular experience in digital mobile communication systems and related technologies.
Education	M.S., Waseda University, Electronics, Information and Telecommunication Engineering Ph.D., Waseda University, Electronics, Information and Telecommunication Engineering
Career	Japanese Patent Attorney since 2010. Research Associate, Waseda University. Visiting Research Associate, Waseda University. Worked for the Japan Patent Office as a researcher.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Attorney	Junya Ohde (Partner)
Specialties	Patent practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; Particular experience in the fields of software, Artificial Intelligence (AI) and networks.
Education	B.S., University of Tsukuba, System Engineering M.S., University of Tsukuba, System Engineering
Career	Japanese Patent Attorney since 2011. Worked for Ericsson Japan as a software engineer, in design and development of base station for a W-CDMA system. Worked for Sony Corp. as a software engineer, in design and development of TV/DVD, later moving to Sony IP center as an in-house patent attorney and engaging in patent licensing and negotiations.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Attorney	Mioko Watanabe
Specialties	Patent practice before the Japan Patent Office and Intellectual Property High Court; litigation and preliminary injunction proceedings before courts; legal opinions on infringement and validity; particular experience in digital mobile communication systems and related technologies.
Education	B.S., Keio University, Electrical Engineering M.S., Keio University, Electrical Engineering
Career	Japanese Patent Attorney since 2013. Worked for Ericsson Japan as a researcher and a developer for the 3rd generation mobile communication systems. Worked for the Japan Patent Office as Patent Examiner in the field of Digital Mobile Communication Systems.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Attorney	Yasumasa Kusunoki (Partner)
Specialties	Patent, design and trademark practice before the Japan Patent Office and Intellectual Property High Court; particular experice in the fields of communications, networks, computer hardware and software.
Education	B.S., Yamaguchi University, Intelligence Information System Engineering M.S., Yamaguchi University, Intelligence Information System Engineering
Career	Japanese Patent Attorney since 2016. Worked for Panasonic MSE Corporation, engaged in the Linux platform, software development for mobile terminals.
Membership(s)	Japan Patent Attorneys Association (JPAA) The Institute of Electronics, Information and Communication Engineers
Publication(s)	Digital Watermarking based on Spread Spectrum (IEICE, October 2000)

Patent Attorney	Hajime Tatsukawa
Specialties	Patent practice before the Japan Patent Office; standard essentiality evaluation; start-up supports and consulting; Particular experience in the fields of telecommunications, image processing, security and computing.
Education	B.S., University of Tokyo, Mechano-informatics M.S., University of Tokyo, Mechano-informatics
Career	Active in the patent field since 2007. Japanese patent attorney since 2010. Worked for NTT Communications as system engineer for development of government systems Worked for Accenture Japan Ltd. as analyst and consultant for mission-critical system integration.
Membership(s)	Japan Patent Attorneys Association (JPAA)

Patent Engineer	Hitoshi Minami
Specialties	Active in the patent field since 1985, especially in the field of digital and analog technogies, computer hardware and software technology, image processing and computer printers.
Education	B.S., Tottori University, Electrical Engineering
Career	Electronic Engineer, Burroughs Japan. Worked as a researcher at the Sagamihara Laboratory and Pentel. Worked as principal engineer for developing printer controllers, circuit designs and development of firmware for controllers of storage devices and computer I/O interfaces.

Patent Engineer	Kazuo Eda
Specialties	Active in the patent field since 1985, especially in computer architecture, computer software and firmware, image processing and image and data compression technologies.
Education	B.S., Aoyama Gakuin University, Physics
Career	Firmware Engineer, Pentel Co. Ltd, a major Japanese manufacturer of business equipment; designed firmware for business computers.

Patent Engineer	Shohei Natsuki
Specialties	Active in the patent field since 1990, especially in the field of telecommunications, optical communications, and image processing.
Education	B.S., Hokkaido University, Geophysics M.S., Nagoya University, Science
Career	Worked as Systems Engineer, Fujitsu in the field of aerospace systems and developed telecommunications and image processing technologies.

Patent Engineer	Toshio Sato
Specialties	Active in the patent field since 1991, especially in the fields of image processing, computer software and hardware, computer software and hardware-controlled systems, and medical devices.
Education	B.S., Keio University, Electrical Engineering
Career	Worked for Toshiba as an electrical engineer in factory automation.

Patent Engineer	Keishiro Kotera
Specialties	Active in the patent field since 1999, especially in the fields of three-dimensional image processing, computer science, computer hardware and software, and mathematical applications.
Education	B.S., Chiba Institute of Technology, Electronic and Information Engineering; M.S., Chiba Institute of Technology, Computer Science
Career	Worked for SEGA Enterprises in AM R&D, Technical Support for Designers, CG & Simulation.

Patent Engineer	Susumu Takahashi
Specialties	Active in the patent field since 1987, especially in the fields of telecommunications, computer hardware and software, encoding/decoding techonology, Internet and medical devices.
Education	B.S., University of Electro-Communications, Engineering Physics
Career	Worked for NEC Corporation and Mitsubishi Chemical Corporation as a patent engineer for the intellectual property department. Experienced in telecommunications, computer systems, image compression, electrographical devices, and magnetic recording medium.

Patent Engineer	Miharu Hayashi
Specialties	Active in the patent field since 1994, especially in the field of patent translations and digital photography.
Education	B., Physics, University of Minnesota (Twin Cities) B.S., Astrophysics, University of Minnesota (Twin Cities)
Career	Research in atomic energy generation, simulation of satellite orbits; experience in high-energy physics, and technical translation.

Patent Engineer	Hidetaka Takahashi
Specialties	Active in the patent field since 1999, especially in the fields of speech processing, speech coding, speech recognition, computer hardware and software, and telecommunications.
Education	B.S., Tokyo Electric University, Electronic and Communication Engineering
Career	Worked for Olympus Optical Co., Ltd. as a system engineer for developing digital voice recorders. Specialties include speech signal processing.

Patent Engineer	Hideto Yoshitake
Specialties	Active in the patent field since 2004, in the fields of wireless communications, signal processing, digital broadcasting systems and coding technologies.
Education	B.S., Tohoku University, Physics (1997) M.S., Tohoku University, Geophysics (1999)
Career	Worked for Nippon Telegraph and Telephone Corporation in their Research and Development Center as an engineer for developing satellite communication systems and seamless IP communication systems.
Membership(s)	The Institute of Electronics, Information and Communication Engineers

Patent Engineer	Eiji Hokimoto
Specialties	Design of digital circuit substrates.
Education	B.S., Doshisha University, Electronic Engineering (1994)
Career	Worked at OKI Electric Industry Co., Ltd.

Patent Engineer	Kei Iwamoto, Ph.D.
Specialties	Wireless communication in particular antenna and propagation, signal processing and information theory.
Education	M.S., The University of Tokyo, Electronic Engineering Ph.D., The University of Tokyo, Wireless Technology Research
Publication	“Design of an Antenna Decoupling Structure for an Inband Full-Duplex Collinear Dipole Array”, IEEE Transactions on Antennas and Propagation, July, 2018.

Patent Engineer	Steve Allison
Specialties	Embedded systems, with specific experience in image processing and digital cameras; web-based, database-driven systems; academic background in Computer Science.
Education	B.S., University of British Columbia, Computer Science
Career	Past positions include Space Solver (embedded development), eWare (CRM system development) and Mindquake Software (web/DB development)