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For the Inventor, By the Inventor

Shinagawa, Japan

Toshihiro Kusagaya

This inventor holds 41 USPTO granted patents and 8 published patent applications and 2 EPO patents, primarily in Optical Connectors. Top assignees: Fujitsu Component Limited, Fujitsu Corporation. Active years: 1989-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Kusagaya. Retrieved from https://idiyas.com/inventor/toshihiro-kusagaya

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

USPTO Granted Patents = 41 

% Patents Active = 17.1

 

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 216(Granted Patents)


Location History:

  • Kawasaki, JP (1989 - 2010)
  • Shinagawa, JP (2007 - 2016)
  • Tokyo, JP (2011 - 2017)

Company Filing History:

goldMedal34 out of 807 
 
Fujitsu Component Limited
 patents
silverMedal10 out of 39,374 
 
Fujitsu Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2017

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Areas of Expertise:
Optical Module
Surface Mount Device
Electrical Connector
Antenna Apparatus
Printed Circuit Board
Transceiver Module
Connector
Manufacturing Method
High Frequency Signals
Contact Member
Multilayer Wiring Circuit Board
Thermal Conductive Substrate
41 patents (USPTO):Explore Patents
1. 9784932 - Optical member and optical module (2017-10-10),
2. 9392702 - Method of manufacturing surface mount device (2016-07-12),
3. 9252541 - Connector (2016-02-02),
4. 9106005 - Surface mount device (2015-08-11),
5. 9097862 - Connector (2015-08-04),
6. 8961200 - Connector and solder sheet (2015-02-24),
7. 8911243 - Connection member, socket module, socket and method for manufacturing connection member (2014-12-16),
8. 8708741 - Electrical connector with thermal conductive substrate (2014-04-29),
9. 8672690 - Electronic connector including grounding part having protrusion interposed between terminal connecting parts (2014-03-18),
10. 8641299 - Optical connector (2014-02-04),
11. 8547706 - Electronic component, board unit, and information-processing device (2013-10-01),
12. 8517774 - Connector with ground electrode terminals having different lengths (2013-08-27),
13. 8506330 - Male and female connectors with modules having ground and shield parts (2013-08-13),
14. 8506176 - Photoelectric conversion module and photoelectric conversion device (2013-08-13),
15. 8288661 - Printed circuit board and manufacturing method therefor (2012-10-16),

Title: **Toshihiro Kusagaya: Innovator in Optical and Surface Mount Technologies**

Introduction

Toshihiro Kusagaya is a prominent inventor based in Shinagawa, Japan, recognized for his significant contributions to optical and surface mount technologies. With a remarkable portfolio of 41 patents, Kusagaya continues to shape advancements in these fields through innovative approaches and solutions.

Latest Patents

Kusagaya's latest patents include an optical member and optical module designed to enhance adhesion phenomena. The optical member features a base with a surface and multiple protrusions strategically arranged to allow an adhesive to fill spaces between them, facilitating the adhesion of an attachment component via a capillary effect. Additionally, he has developed a method for manufacturing surface mount devices. This invention encompasses multiple lead units wherein each lead comprises a body with a foot, along with a solder portion that protrudes toward the base member, and a diffusion prevention portion to inhibit solder diffusion along the lead's body.

Career Highlights

Throughout his career, Kusagaya has worked with well-established companies such as Fujitsu Component Limited and Fujitsu Corporation. His tenure at these institutions has allowed him to collaborate on cutting-edge projects, pushing the boundaries of technology in his areas of expertise.

Collaborations

Kusagaya has collaborated with esteemed colleagues, including Osamu Daikuhara and Kazuhiro Mizukami. Together, they have contributed to innovative projects that have advanced their fields and left a lasting impact on the technology landscape.

Conclusion

In conclusion, Toshihiro Kusagaya stands out as a significant figure in the world of innovation, particularly in optical and surface mount technologies. His numerous patents and collaborations reflect his dedication to enhancing technology and solving complex engineering challenges. As a result, Kusagaya continues to inspire future generations of inventors and engineers.

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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