Principal Patent Attorney

 Kiyoshi Mizuno

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■Infringement Disputes related to
    Patents,Designs,Trademarks and Copyrights in Japan and foreign
    countries,and Expert Opinion
■Enforcement of Customs
■Counter-measures for Fake Goods
■Intellectual Property Consulting

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Brief Biography
　Graduated from the Department of Political Science,Faculty of Law,Chuo University
 
・1979 ～　　　Worked at the Patent Center of  the
　　　　　　　   Development Headquaters and the Legal
                         　 Affairs Office of the Management
                              Headquarters at a Toy Manufacturer.
                        　  (From 1995,Deputy Director of the
                         　 Management Headquarters)
・1985　　　　  Registered as a Patent Attorney
・1989 ～ 1990  Graduated from Georgetown University in
                          　Washington D.C(EFL Course).
                          　Underwent training at STAAS & Halsey Law
                          　Firm in Washington D.C.
・1998　　　　  Established Mizuno & Partners
・2002　　　　  Renamed to Cosmo & Partners
・2014　　　　  Transformed into a Patent Professional
                              Corporation

Patent Attorney

 Ryoichi Matsumoto

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■Patents(Mechanical,Control,Semiconductors),
　Designs,Trademarks,Copyright
■Enforcement of Customs
■Counter-measure for Fake Goods

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Brief Biography
　Graduated from the Department of Applied Chemistry,
　Faculty of Engineering,Tohoku University
 
・2003 ～　　　Engaged in Development(Resin Design)at an
　　　　　　　  Electonics Manufacturer
・2006 ～　　    Worked at a Patent Office in Nagoya
・2011 　　　　Registered as a Patent Attorney
・2015 ～　　　Engaged in an Operations Department at
　　　 　　　　 Tokyo Custom Service as a General Intellectual Property
                             Investigator(Intellectual Property Center),Interdiction of
                             Intellectual Property Infringing Goods(Senior Patent
                             Attorney).
・2020 ～　　　Worked at a Patent Firm in Tokyo
・2021 ～　　　Cosmo & Partners
・2022 ～　　　Customs Specialist Committee Member

Patent Attorney/Technical Adviser

 Hitoshi Kitamura

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■Patents(Electrical,Electronic,Optical,Mechanical,
　Control),Designs,Trademarks

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Brief Biography
 Graduated from the Department of Science and Engineering,
 Department of Electrical Engineering,Chuo University
 
・1978　　　　  Registered as a Patent Attorney
・1985 ～　　　 Kitamura Hitoshi Patent Office or Firm
・1991 ～　　　 Mirai International Patent Firm
・2003 ～　　　 Cosmo & Partners
・2015　　　　  Cancellation of Patent Attorney Registration
・2018　　　　  Re-registration as a Patent Attorney

Patent Attorney

 Yasuhide Hanada

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■Patents(Mechanical,Control),Designs,
　Trademarks

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Brief Biography
 Graduated from the Department of Mechanical Engineering,
 School of Science and Technology,Meiji University
 
・1989 ～　　　  Engaged in the Development of Analytical and
　　　　　　　　Chemical Instruments(Mechanical Design) at
　　　　　　　　a Machinery Manufacturer
・2021　　　　   Registered as a Patent Attorney
・2023 ～　　　  Cosmo & Partners