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For the Inventor, By the Inventor

Tokyo, Japan

Nobumitsu Yamanaka

This inventor holds 8 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignee: The Furukawa Electric Co., Ltd.. Active years: 1997-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobumitsu Yamanaka. Retrieved from https://idiyas.com/inventor/nobumitsu-yamanaka

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

USPTO Granted Patents = 8 

% Patents Active = 62.5

 

Average Co-Inventor Count = 4.3

ph-index = 4

Forward Citations = 32(Granted Patents)


Location History:

  • Kanagawa, JP (1997 - 1999)
  • Yokohama, JP (2003)
  • Tokyo, JP (2005 - 2020)

Company Filing History:

goldMedal8 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents

Years Active: 1997-2020

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8 patents (USPTO):Explore Patents
1. 10545143 - Silica particles having reactive functional group on surface, and method of producing the same (2020-01-28),
2. 10466234 - Method of producing labeled antibody (2019-11-05),
3. 8337726 - Fine particle dispersion and method for producing fine particle dispersion (2012-12-25),
4. 8277693 - Method for producing fine particle dispersion and fine particle dispersion (2012-10-02),
5. 6911713 - Optical device having a carrier-depleted layer (2005-06-28),
6. 6528337 - Process of producing semiconductor layer structure (2003-03-04),
7. 5929462 - Semiconductor optical device having a strained quantum well structure (1999-07-27),
8. 5666375 - Semiconductor quantum well laser having a low threshold current density (1997-09-09),

Title: Nobumitsu Yamanaka: Innovator in Silica Particle Technology

Introduction

Nobumitsu Yamanaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of silica particle technology, holding a total of 8 patents. His work focuses on the development of silica particles with reactive functional groups, which have various applications in the industry.

Latest Patents

Yamanaka's latest patents include innovative methods for producing silica particles. One notable patent is for silica particles that have a thiol group on their surface, which meets specific conditions for enhanced functionality. Another significant patent involves a method for producing labeled antibodies, showcasing his versatility in research and development.

Career Highlights

Yamanaka is currently employed at The Furukawa Electric Co., Ltd., where he continues to push the boundaries of technology. His career is marked by a commitment to innovation and excellence in his field.

Collaborations

Throughout his career, Yamanaka has collaborated with esteemed colleagues, including Akihiko Kasukawa and Michio Ohkubo. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Nobumitsu Yamanaka is a distinguished inventor whose work in silica particle technology has made a lasting impact. His innovative patents and collaborations reflect his dedication to advancing scientific knowledge and practical applications in the industry.

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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