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For the Inventor, By the Inventor

Shiojiri, Japan

Teruhiko Fujisawa

This inventor holds 103 USPTO granted patents and 22 EPO patents, primarily in Electronic Timepieces (CPC class G04R60-12). Top assignees: Seiko Epson Corporation, Nippon Antena Kabushiki Kaisha. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruhiko Fujisawa. Retrieved from https://idiyas.com/inventor/teruhiko-fujisawa

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

USPTO Granted Patents = 103

% Patents Active = 74.8

 

Average Co-Inventor Count = 1.3

ph-index = 19

Forward Citations = 1,268(Granted Patents)

Forward Citations (Not Self Cited) = 1,110(Dec 10, 2025)


Inventors with similar research interests:


    Location History:

    • Shiejiri, JP (2006)
    • Shojiri, JP (2008)
    • Suwa, JP (1994 - 2014)
    • Nagano-ken, JP (1996 - 2016)
    • Nagano, JP (2017)
    • Shiojiri, JP (2000 - 2024)

    Company Filing History:

    goldMedal103 out of 34,296 
     
    Seiko Epson Corporation
     patents
    silverMedal1 out of 20 
     
    Nippon Antena Kabushiki Kaisha
     patents
    where one patent can have more than one assignee

    Years Active: 1994-2026

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    Areas of Expertise:
    Radio-Controlled Timepiece
    Antenna Function
    Timepiece Control Method
    Wireless Communication
    Electronic Watch
    Internal Antenna
    Dielectric Antenna Body
    Wrist Worn Device
    Control System
    Time Correction
    Electronic Device
    103 patents (USPTO):Explore Patents
    1. 12748382 - Mechanical watch (2026-09-29),
    2. 12669780 - Mechanical timepiece (2026-06-30),
    3. 12554231 - Radio-controlled timepiece and method of controlling radio-controlled timepiece (2026-02-17),
    4. 12436507 - Electronic watch having improved antenna function (2025-10-07),
    5. 12019409 - Radio-controlled timepiece, system, and method for controlling radio-controlled timepiece (2024-06-25),
    6. 11994832 - Electronic watch (2024-05-28),
    7. 11567458 - Electronic watch and method of correcting time difference (2023-01-31),
    8. 10732578 - Electronic timepiece (2020-08-04),
    9. 10571866 - Electronic timepiece (2020-02-25),
    10. 10446924 - Electronic timepiece (2019-10-15),
    11. 10209679 - Timepiece with internal antenna (2019-02-19),
    12. 10031487 - Electronic timepiece (2018-07-24),
    13. 9977406 - Timepiece with internal antenna (2018-05-22),
    14. 9897979 - Electronic timepiece and control method of an electronic timepiece (2018-02-20),
    15. 9886003 - Electronic timepiece (2018-02-06),

    Title: Teruhiko Fujisawa - Innovator from Shiojiri, Japan

    Introduction: Teruhiko Fujisawa is a renowned inventor hailing from Shiojiri, Japan, known for his groundbreaking contributions to the field of technology and innovation.

    Latest Patents: Teruhiko Fujisawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

    Career Highlights: With a career spanning over two decades, Fujisawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

    Collaborations: Throughout his career, Teruhiko Fujisawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge exchange.

    Conclusion: Teruhiko Fujisawa's passion for innovation and his relentless drive to push the boundaries of technology make him a true pioneer in the world of inventions, inspiring the next generation of inventors to dream big and create a better future.

    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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