Tokyo, Japan

Takeshi Hosoya

This inventor holds 14 USPTO granted patents and 2 published patent applications and 9 EPO patents. Top assignees: Fujikoki Corporation, Olympus Corporation, Kabushiki Kaisha Daini Seikosha. Active years: 1980-2025.

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

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

USPTO Granted Patents = 14 

% Patents Active = 78.6

 

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 147(Granted Patents)


Location History:

  • Hino, JP (2007)
  • Akiruno, JP (2008)
  • Tokyo, JP (1980 - 2024)

Company Filing History:


Years Active: 1980-2025

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14 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Inventor Takeshi Hosoya

Introduction

Takeshi Hosoya, an esteemed inventor based in Tokyo, Japan, has made significant strides in the field of technology with a total of 13 patents to his name. His dedication to innovation has led to the development of several groundbreaking inventions, particularly in the realm of electric valves.

Latest Patents

Among his latest inventions is an electric valve designed with an upper surface of a main body portion of a valve body, complemented by a cylindrical portion and a flange member that collectively form a groove in an annular recess shape. This innovative design includes a stator unit with a tubular portion surrounding the groove, ensuring efficiency and reliability. Additionally, a sealing member is strategically positioned within the groove, held securely between the cylindrical portion of the valve body and the tubular portion of the sealing member, showcasing Hosoya's commitment to precision engineering.

Career Highlights

Throughout his career, Takeshi Hosoya has been associated with notable corporations such as Fujikoki Corporation and Olympus Corporation. His tenure at these companies has not only refined his skills as an inventor but has also provided him with a platform to implement his innovative ideas in practical applications.

Collaborations

Hosoya's journey has been enriched through his collaborations with talented coworkers, including Yusuke Arai and Satoshi Uehara. These partnerships highlight the importance of teamwork and shared vision in the realm of innovation, enabling the development of cutting-edge technology.

Conclusion

Takeshi Hosoya stands as a notable figure in the world of inventions, particularly with his advancements in electric valve technology. His extensive patent portfolio and collaborative efforts reflect a profound commitment to innovation, positioning him as a key contributor in the realm of engineering and technology. His work continues to inspire future inventors and engineers striving to push the boundaries of what's possible.

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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