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該当件数 4

MIYAJIMA  ManabuManaging Partner

Qualification Patent Attorney at Law admitted in Japan and California, Patent Attorney
Departments Litigations, Designs, Trademarks, Chinese Market
Specialization Litigation, contracts related to intellectual property rights, general legal matters, and trademarks


After graduating from the University of Tokyo, the Department of Engineering, Manabu Miyajima was admitted to the bar and registered as a patent attorney in Japan in 2001.
In 2008, he received his LL.M. in Trade Regulation from New York University School of Law (Fulbright Scholar) and was admitted to the State Bar of California in 2009.
After obtaining a master’s degree from the Max Planck Institute for Intellectual Property, Competition and Tax Law in 2014, he became a Kyowa partner in 2015.
He is an active member of AIPPI, INTA and APAA.


  • Case law study - Intellectual Property High Court 2010.1.14 (2008 (Gyo-ke)) No. 10235 Case: Enablement Requirements: Gist of the Invention Certification and the Lipase Supreme Court Decision - A.I.P.P.I: Journal of the Japanese Group of the International Association for the Protection of Intellectual Property, Vol. 57, No. 1, pp. 6-22, others

DU  RuolingPartner

Qualification Foreign Law Counsel (Chinese Law)
Departments Head of Chinese Market, Trademarks
Specialization Chinese intellectual property law and general legal matters


After graduating from Shanghai East China University of Politics and Law in 1987 and being admitted to the bar in China in 1989, Ms. Ruoling Du received in 1999 her master’s degree in International Economic Law from Yokohama University and was registered as a licensed foreign lawyer in Japan in 2005.
At Kyowa, she has been involved in a considerable number of lawsuits of various background in China.
While acting as a member of AIPPI and INTA as well as of China Trademark Association, she continuously keeps up to date with developments in Chinese IP.

TAKADA  Yasuhiko

Qualification Attorney at Law
Departments Litigations, Chinese Market
Specialization Litigation / intellectual property litigation, contracts, other laws


After graduating from the University of Tokyo’s Faculty of Engineering (Department of Electronic Engineering) in 2000, Yasuhiko Takada passed the bar examination in 2003 and joined Kyowa Patent and Law Office after completing his judicial apprenticeship in 2005.
   Registering as an attorney at law and patent attorney in 2005, he has worked in legal consultations, expert opinions, contract negotiations, warning cases, litigation cases related to intellectual property law, trial cases against the Japan Patent Office, and patent applications.

KASHIWA  Nobuyuki

Qualification Attorney at Law
Departments Litigations, Trademarks, Chinese Market
Specialization IP infringement litigation, Appeals, invalidation trials, oppositions, prosecutions, contracts, application proceedings, pharmaceutical procedures, others


After graduating from the University of Tokyo (licensed as pharmacist) in 2002, Nobuyuki Kashiwa obtained his master’s degree in Pharmaceutical Sciences from the University of Tokyo Graduate School in 2004. He was registered as an attorney at law in 2008, and as a patent attorney in 2010. He handles various types of litigations and disputes.
He is a member of the Reviewers’ Committee of AIPPI Japan Group Journals while engaging in various AIPPI activities.


  • Calculation Methods Regarding Damages Based on Article 102, Paragraphs 2 and 3 of the Patent Act (Grand Panel Decision of Intellectual Property High Court Dated June 7, 2019 - AIPPI Japan Journal (Vol. 65 No. 3 2020)
  • Intellectual Property in Electronics and Software - A Global Guide to Rights and Their Applications Second Edition - Globe Law and Business (2019)
  • The Supreme Court Decision Regarding the Requirements for Infringement under the Doctrine of Equivalents - AIPPI Japan Journal International Edition (Vol. 43 No.1 2018)
  • The Intellectual Property High Court Grand Panel Decision on the Requirements for Infringement under the Doctrine of Equivalents - AIPPI Japan Journal International Edition (Vol. 42 No.1 2017)
  • Consideration Regarding Experimental Data in Datamining Patentability of Numerically Limited Inventions - JIPA INTELLECTUAL PROPERTY MANAGEMENT (Vol. 65 No. 8 2015)
  • Unpredictable Remarkable Effects in Determining Inventive Step (Supreme Court Decision Dated August 27, 2019) - SHINNIPPON-HOKI “Practical Methods for Preventing Troubles Relating to Intellectual Property”
  • Clarity and the Diaper Decision - Managing Intellectual Property SURVEY 2011

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