Professionals

Patent Attorneys

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  Yasuhiro Ohtsuka

  Patent Attorney, Managing Partner

  Patent prosecution, appeal proceedings, oppositions, invalidation actions, and litigation in the technical fields of information processing, image processing, user interfaces, telecommunications, mechatronics, toys, and gaming

  Details
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  Yasunori Ohtsuka

  Patent Attorney, Partner

  Patent prosecution, appeal proceedings, oppositions, invalidation actions and litigation in the technical fields of business equipment, telecommunications, and medical devices

  Details
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  Jiro Takayanagi

  Patent Attorney, Partner

  Patent prosecution, appeal proceedings, oppositions, invalidation actions, and litigation in the technical fields of mobile communications, IoT, information processing, analog and digital circuits, security encryption, electrophotography, factory automation, fuel cells, e-commerce and financial systems

  Details
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  Yukimitsu Eikawa

  Patent Attorney, Partner

  Patent prosecution, appeal proceedings, oppositions, invalidation actions and litigation in the technical fields of semiconductor devices, semiconductor production equipment, optical instruments, computer hardware and digital and analogue circuits.

  Details
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  Shuji Kimura

  Patent Attorney, Partner

  Patent prosecution, appeal proceedings, oppositions, invalidation actions and litigation in the technical fields of mechatronics, technologies related to automobiles/two-wheeled vehicles, toys and gaming, office devices, semiconductor production equipment, metal heat treating and their devices

  Details
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  Osamu Shimoyama

  Patent Attorney, Partner

  Patent prosecution in the technical fields of electronics and software with specific experience in image and document processing, control and application software, digital communication and autonomous driving technologies. Opinion work relating to patent validity and infringement

  Details
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  Yoshio Nishikawa

  Patent Attorney, Principal

  Patent prosecution in the technical fields of chemical and medical technologies; opinion work relating to patent validity and infringement Patent validity searches; counseling clients on patent prosecution and portfolio management

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  Kiyohito Ejima

  Patent Attorney, Principal

  Patent prosecution and litigation in the fields of telecommunications, digital circuits, networks, semiconductor devices; legal opinions on patent validity and infringement.

  Details
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  Tsutomu Takase

  Patent Attorney

  Patent prosecution, appeal proceedings, oppositions, invalidation actions, and litigation in the technical fields of information processing, databases, information retrieval, user interfaces, e-commerce and other computer-related technologies. Patent examiner training at the European Patent Office (EPO) in the Bioinformatics section

  Details
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  Yasuhiro Sakata

  Patent Attorney, Partner

  Patent prosecution and litigation in the technical fields of telecommunications (LTE. WiFi, 5G), networks, image processing and information processing

  Details
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  Takashi Sakamoto

  Patent Attorney, Partner

  Patents prosecution and litigation in the technical fields of telecommunications (3G, LTE, 5G, WiFi), electrophotography, image processing, and optical recording devices.

  Details
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  Kouichi Shirahama

  Patent Attorney

  Patent prosecution in the technical fields of semiconductor devices, semiconductor production equipment, image processing and information processing, full drafting from inventor interview stage in the field of software based on real experience in programming and system design

  Details
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  Takahiro Ohto

  Patent Attorney, Partner

  Patent prosecution and litigation in the technical fields of communications, semiconductor devices, machine learning, automated driving, medical devices, smartphones, and network printing

  Details
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  Nobuyoshi Yarita

  Patent Attorney

  Drafting and prosecution of patent applications in many fields, including automobiles and two-wheeled vehicles, general-purpose machinery, machine structures, control technologies, medical devices, image processing technology, robots, and mechatronics

  Details
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  Koji Maeda

  Patent Attorney, Partner

  Patent prosecution and litigation in the technical fields of telecommunications (3G, 4G, 5G, WiFi), signal processing and source coding.

  Details
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  Haruhito Yoshida

  Patent Attorney

  Patent prosecution and litigation in the technical fields of telecommunications (3G, 4G, 5G, WiFi), signal processing, image processing, information processing, electrophotography, and office equipment

  Details
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  Hideo Sugawara

  Patent Attorney

  Patents in the field of automobile related appliances, computer software, image processing; Opinion and assessment work for patents; Trials at the IP High Court

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  Hajime Tatsukawa

  Patent Attorney, Partner

  Patent application and litigation in the fields of telecommunications (3G, 4G, 5G), image processing, security, and software

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  Junya Ohde

  Patent Attorney, Partner

  Patent prosecution and litigation in the fields of telecommunications and networks as well as information processing including software and artificial intelligence

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  Tomofumi Kinoshita

  Patent Attorney, Partner

  Patent prosecution, appeal proceedings, oppositions, invalidation actions, and litigation in the technical fields of medicine, chemistry, and medical devices as well as image processing, and AI related technologies

  Details
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  Tomotake Ogawa

  Patent Attorney

  Patents in the field of digital and analog circuits, semiconductor, computer software, automobile related appliances; Opinion and assessment work for patents; Trials at the IP High Court

  Details
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  Kengo Nagata

  Patent Attorney

  Patent prosecution and litigation in the technical field of wireless communication, especially in Wi-Fi, wireless LAN, IEEE 802.11 Standards, LTE, 5G, UWB, and RFID

  Details
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  Terukazu Ayuzawa

  Patent Attorney, Partner

  Drafting and prosecution of patent applications in the technical field of inorganic materials (metals and nonmetals) as well as organic materials (including polymer materials)

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  Yasumasa Kusunoki

  Patent Attorney

  Patent prosecution and litigation in the fields of image processing, security, artificial intelligence, office devices, automobiles, and toys and gaming

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  Wakako Ohtsuka

  Patent Attorney

  Patent prosecution in the field of medical devices

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  Daisuke Murakami

  Patent Attorney

  Patent prosecution and opinion work, specializing in the fields of AI, IoT, informatics, mechanical engineering, and functional materials (battery, etc.)

  Details
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  Junjiro Yashiro

  Patent Attorney

  "Consulting and licensing in the technical field of pharmaceuticals Legal opinions on infringement and validity"

  Details