Shiga, Japan

Hirohisa Tanaka

This inventor holds 88 USPTO granted patents and 13 published patent applications and 16 EPO patents, primarily in Fuel Cell Technology (CPC class H01L37-02). Top assignees: Daihatsu Motor Company, Ltd., Matsushita Electric Works, Ltd., Cataler Corporation. Active years: 1990-2019.

USPTO Granted Patents = 88 

% Patents Active = 51.1

 

Average Co-Inventor Count = 2.9

ph-index = 18

Forward Citations = 1,042(Granted Patents)

Forward Citations (Not Self Cited) = 979(Dec 10, 2025)


Inventors with similar research interests:


    Location History:

    • Gamo-gun, JP (1998)
    • Itami, JP (1990 - 2002)
    • Shiga-ken, JP (2002)
    • Hyogo, JP (1993 - 2003)
    • Higashiosaka, JP (1999 - 2004)
    • Kadoma, JP (2008)
    • Osaka, JP (2002 - 2009)
    • Suita, JP (2010)
    • Mie, JP (2011)
    • Tsu, JP (1996 - 2012)
    • Ikeda, JP (2003 - 2015)
    • Shiga, JP (2001 - 2019)
    • Kawabe, JP (2017 - 2019)

    Company Filing History:

    goldMedal36 out of 113 
     
    Daihatsu Motor Company, Ltd.
     patents
    silverMedal19 out of 1,623 
     
    Matsushita Electric Works, Ltd.
     patents
    bronzeMedal10 out of 257 
     
    Cataler Corporation
     patents
    4. 9 out of 10,620 
     
    Sumitomo Electric Industries, Limited
     patents
    5. 7 out of 27,375 
     
    Matsushita Electric Industrial Co., Ltd.
     patents
    6. 6 out of 59 
     
    Hokko Chemical Industry Co., Ltd.
     patents
    7. 4 out of 16,454 
     
    Panasonic Corporation
     patents
    8. 4 out of 394 
     
    Panasonic Electric Works Co., Ltd.
     patents
    9. 3 out of 942 
     
    The University of New Mexico
     patents
    10. 2 out of 439 
     
    University of Cambridge
     patents
    11. 1 out of 92 
     
    Japan Atomic Energy Agency
     patents
    12. 1 out of 64 
     
    Nagaoka University of Technology
     patents
    13. 1 out of 1 
     
    National University Coororation Nagaoka University of Technology
     patent
    14. 1 out of 1 
     
    National University Corporation Nagaoka of Technology
     patent
    15. 1 out of 3,943 
     
    Nitto-Denko Corporation
     patents
    16. 1 out of 38,723 
     
    Toyota Jidosha Kabushiki Kaisha
     patents
    17. 5 out of 834,350 
    Other
     patents
    where one patent can have more than one assignee

    Years Active: 1990-2019

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    Areas of Expertise:
    Fuel Cell
    Power Generation
    Catalyst
    Electrode
    Hydrazine
    Oxygen Storage
    Connector
    Exhaust Gas Purification
    Pyroelectric
    Anion Conducting
    Perovskite
    Synthesis Reaction
    88 patents (USPTO):Explore Patents

    Title: The Innovative Journey of Inventor Hirohisa Tanaka

    Introduction: Hirohisa Tanaka, a pioneering inventor hailing from Shiga, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

    Latest Patents: Hirohisa Tanaka's latest patents include cutting-edge technologies in the field of robotics, renewable energy, and healthcare, showcasing his versatility and forward-thinking approach to problem-solving.

    Career Highlights: Throughout his illustrious career, Hirohisa Tanaka has been at the forefront of innovation, holding numerous patents that have revolutionized various industries. His dedication to pushing the boundaries of what is possible has earned him recognition as a visionary inventor.

    Collaborations: Hirohisa Tanaka has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful development and commercialization of his innovative ideas.

    Conclusion: In conclusion, Hirohisa Tanaka's passion for innovation, coupled with his relentless drive to create solutions for the future, has solidified his position as a trailblazing inventor in the global landscape of inventions. His work continues to inspire and shape the world we live in today.

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