Tokyo, Japan

Takeshi Takahashi

This inventor holds 108 USPTO granted patents and 19 published patent applications, plus 1 CIPO patent and 9 EPO patents, primarily in Magnetic Recording Media (CPC class 426602). Top assignees: Japan Aviation Electronics Industry, Limited, Tdk Corporation, Canon Kabushiki Kaisha. Active years: 1978-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Takahashi. Retrieved from https://idiyas.com/inventor/takeshi-takahashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 108 

% Patents Active = 63.9


 

Average Co-Inventor Count = 2.3

ph-index = 13

Forward Citations = 551(Granted Patents)

Forward Citations (Not Self Cited) = 519(Dec 10, 2025)


Inventors with similar research interests:


    Location History:

    • Hitachi, JP (1983)
    • Kitaibaraki, JP (1985)
    • Hitachiota, JP (1981 - 1986)
    • Higashimurayama, JP (1986)
    • Nakamachi, Muroran City, Hokkaido, JP (1988)
    • Kyobashi, JP (1989)
    • Chiba, JP (2002)
    • Saitama, JP (2004)
    • Yono, JP (2004)
    • Sunto-gun, JP (1999 - 2005)
    • Hadano, JP (1998 - 2008)
    • Numazu, JP (2003 - 2010)
    • Shizuoka, JP (2008 - 2011)
    • Gunma, JP (2011 - 2012)
    • Yokohama, JP (2010 - 2015)
    • Miyagi, JP (2020)
    • Tokyo, JP (1978 - 2024)

    Company Filing History:

    goldMedal20 out of 2,260 
     
    Japan Aviation Electronics Industry, Limited
     patents
    silverMedal18 out of 8,267 
     
    Tdk Corporation
     patents
    bronzeMedal15 out of 93,085 
     
    Canon Kabushiki Kaisha
     patents
    4. 12 out of 42,740 
     
    Hitachi, Ltd.
     patents
    5. 9 out of 64 
     
    Meiji Milk Products Company, Limited
     patents
    6. 6 out of 116 
     
    Shimizu Construction Co., Ltd.
     patents
    7. 5 out of 272 
     
    Kyowa Hakko Kirin Co., Limited
     patents
    8. 4 out of 2,282 
     
    Adv Antest Corporation
     patents
    9. 4 out of 58,147 
     
    Sony Corporation
     patents
    10. 3 out of 730 
     
    Kyowa Hakko Kogyo Co., Ltd.
     patents
    11. 3 out of 4,260 
     
    Sony Group Corporation
     patents
    12. 2 out of 16,980 
     
    Fujifilm Corporation
     patents
    13. 2 out of 1,198 
     
    Ihi Corporation
     patents
    14. 1 out of 16,458 
     
    Fuji Photo Film Company, Limited
     patents
    15. 1 out of 801 
     
    Nippon Kayaku Kabushiki Kaisha
     patents
    16. 1 out of 4,980 
     
    Oki Electric Industry Co., Ltd.
     patents
    17. 1 out of 1 
     
    Polachek, Saulsbury & Hough
     patent
    18. 4 out of 834,570 
    Other
     patents
    where one patent can have more than one assignee

    Years Active: 1978-2026

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    Areas of Expertise:
    Magnetic Recording Medium
    Connector Device
    Dust Core
    Cobalt Ferrite Magnetic Powder
    Conductive Element
    Input Device
    Relay Terminal
    Soft Magnetic Powder Core
    Lithium-Ion Battery
    Image Processing System
    Cloud Computing
    Control Method
    108 patents (USPTO):Explore Patents

    Title: Innovations of Takeshi Takahashi: A Journey Through Patents and Collaborations

    Introduction: Takeshi Takahashi, based in Tokyo, Japan, is an accomplished inventor with an impressive portfolio of 107 patents. His innovative contributions span across various fields, showcasing his expertise in developing advanced connector devices and magnetic recording media.

    Latest Patents: Among his latest inventions, the "Connector Device" stands out. This device features a lever capable of rotating between multiple positions, facilitating a seamless connection with a mating connector through a sophisticated cam mechanism. Additionally, his invention of a "Magnetic Recording Medium" involves a tape-shaped medium designed with a unique recording layer that includes ε-iron oxide particles, optimizing performance within specific coercivity ranges.

    Career Highlights: Throughout his career, Takeshi has contributed significantly to pioneering projects at notable companies such as Japan Aviation Electronics Industry, Limited and TDK Corporation. His work has not only advanced technology but also set benchmarks in the industry for innovative practices.

    Collaborations: Collaborating with notable peers like Yasuyuki Takahashi and Toshiro Yoshida, Takeshi has formed a dynamic team that fosters creativity and innovation, resulting in groundbreaking advancements in their respective fields.

    Conclusion: Takeshi Takahashi's dedication to innovation is reflected in his extensive patent portfolio and impactful collaborations. His inventions continue to influence various industries, establishing him as a prominent figure in the world of technology and innovation.

    Profile summary based on public USPTO records.
    Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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