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Attorneys

  • CHAIRMAN

    Yoichi OSHIMA

    1983
    Registered as a patent attorney and founded Oshima Patent Office
    2004
    Qualified as Specific Infringement Litigation Counsel
    Education
    Graduated from the Department of Industrial Mechanical Engineering, Faculty of Engineering, Tokyo University
    Completed master’s course of Department of Mechanical Engineering, Faculty of Engineering, Tokyo University
    Completed doctoral course of Department of Mechanical Engineering, Purdue University, Indiana, USA
    Former Job
    Takezawa International Patent Office, Foreign Department
    Technical Fields
    Mechanical Engineering, Mainly Vibration, Control Engineering, Applied Mechanics
  • PRESIDENT

    Masahiko KIMURA

    2004
    Registered as a patent attorney
    2005
    Qualified as Specific Infringement Litigation Counsel
    Education
    Graduated from Department of Molecular Chemical Engineering, Faculty of Engineering, Tohoku University
    Completed Graduate School of Engineering, Tohoku University
    Former Job
    Japanese steel company
    Specialties
    Application and Acquisition of rights for domestic projects (Patents, Designs, Trademarks), Appraisals, Trials, Infringement Response, Invention Consultation, etc.
    Technical Fields
    Machines, Plants, Information Processing, Communications, Software, Electrical Equipment, Pptics, Heat Engines, Electrochemistry, Medicals, Household Items, Business Models

    I make every effort to use my expertise and experience to acquire rights that are truly valuable for your business.

  • PARTNER

    Yukio TACHIKAWA

    2005
    Registered as a patent attorney
    2007
    Qualified as Specific Infringement Litigation Counsel
    Education
    Graduated from Department of Mineral Engineering, School of Science and Engineering, Waseda University
    Former Job
    Japanese Construction Company
    Specialties
    Domestic and foreign Patent Applications and Acquisition of rights, Designs, Investigations, Appraisals, Infringement Response, etc.
    Technical Fields
    Machines, Automobiles, Autonomous Driving, Electricity, Electronics, Controls, Robotics, Information Processing, Communications, Software, Architecture, Civil Engineering, Materials, Optics, Business Models, Medicals, Household Items

    In addition to responding to client requests, I support the enhancement of the value of intellectual property rights, from the acquisition of broad and strong rights to their utilization after acquisition.

  • PARTNER

    Yousuke KATSUMI

    2009
    Registered as a patent attorney
    2010
    Qualified as Specific Infringement Litigation Counsel
    Education
    Graduated from Department of Applied Chemistry, School of Engineering, Kyushu University
    Completed Graduate School of Engineering Department of Chemical System Engineering, Kyushu University
    Former Job
    Asahi Glass Co., Ltd. (currently AGC Inc.), Engaged in the manufacture (melting, molding) of sheet glass for automobiles
    Specialties
    Domestic and foreign Patent Applications and Acquisition of rights
    Technical Fields
    Automobile-related Technology (Internal Combustion Engine, Body Structure, Running Stability Control, Electrical Components, Interiors, Seats), Chemical Plants, Glass Manufacturing Technology (Plates, Bottles), Software

    I also propose methods to reduce costs related to domestic and foreign patent applications.

  • PARTNER

    Takanao MATSUI

    2009
    Registered as a patent attorney
    2013
    Qualified as Specific Infringement Litigation Counsel
    2022
    Half-year training at Armstrong Teasdale LLP (meanwhile, passed the US Patent Bar exam)
    Education
    Graduated from School of Humanities and Social Sciences, Waseda University
    Graduated from Department of Electrical Engineering, Tokyo University of Science
    Former Job
    Patent Firm
    Specialties
    Application and Acquisition of rights for domestic Patents, Acquisition of rights for foreign projects, etc.
    Technical Fields
    Machines, Automobiles, Autonomous Driving, Electricity, Electronics, Controls, Robotics, Information Processing, Communications, Software, Business Models, Household Items

    I value communication with our clients and aim to provide services that will make our clients happy.

  • ATTORNEY

    Tomomitsu TAKAO

    2008
    Registered as a patent attorney
    2012
    Qualified as Specific Infringement Litigation Counsel
    Education
    Graduated from Faculty of Engineering, Kyoto University
    Former Job
    Government Office
    Specialties
    Application and Acquisition of rights for domestic Patents, Acquisition of rights for projects from foreign, etc.
    Technical Fields
    Machines, Automobiles, Autonomous Driving, Software, Architecture, Civil Engineering, Materials, Business Models, Medicals, Textiles, Paper Products, Household Items

    I listen carefully to what our clients have to say, discuss them, and aim to acquire rights that meet the client’s true needs.

  • ATTORNEY

    Naomi YURI

    2020
    Registered as a patent attorney
    Education
    Graduated from School of Culture, Media and Society, Waseda University
    Former Job
    Trust Bank
    Specialties
    Application and Acquisition of rights for domestic projects (Trademarks, Designs, Patents), Acquisition of rights for projects from foreign, etc.
    Technical Fields
    Machinery, Automobiles, Medicals, Paper Products, Household Items

    I am devoted to building relationships of trust with our clients through our daily interactions and receiving consulting on intellectual property from clients with peace of mind.

CONTACT

We are available for various consultations regarding intellectual property matters.
Please feel free to contact us.

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