% Expired Patents = 50.0

EPO Patents = 7

Forward Citations = 35

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23 inventors (with patents filed for the assignee):

Sohei Matsuyama (3 out of 6 patents)

Toru Inoue (3 out of 3 patents)

Masaki Ishikawa (3 out of 5 patents)

4. Youhei Ishikawa (3 out of 4 patents)

5. Hideyuki Mori (3 out of 4 patents)

6. Takahiro Usui (1 out of 2 patents)

7. Makoto Takeyama (1 out of 27 patents)

8. Ippei Fukutomi (1 out of 14 patents)

9. Hideto Morishita (1 out of 15 patents)

10. Tetsuya Yoshino (1 out of 33 patents)

11. Etsunori Fujita (1 out of 112 patents)

12. Koji Kume (1 out of 2 patents)

13. Motoichi Murakami (1 out of 32 patents)

14. Yasuhiro Saito (1 out of 32 patents)

15. Hiroshi Ishisaka (1 out of 5 patents)

8 patents: Sort by Forward Citations

1. 10305134 - Fuel cell (2019-05-28),

2. 10124329 - Oil degradation suppressor (2018-11-13),

3. 9161635 - Sheet fastener (2015-10-20),

4. 9087505 - Ultra-light sound insulator (2015-07-21),

5. 8637145 - Ultra-light sound insulator (2014-01-28),

6. 8158246 - Ultralight soundproof material (2012-04-17),

7. 7481493 - Seat structure (2009-01-27),

8. 7150828 - Fluid filter having drain structure and drain tool (2006-12-19),

Company Overview

Toyota Boshoku Corporation is a leading global automotive component manufacturer that specializes in creating interior systems, filters, and powertrain components for vehicles. With a focus on innovation and sustainability, the company is dedicated to providing high-quality products that enhance the driving experience for customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#21 in Kariya

#5,045 in Japan

Kariya, Japan

Toyota Boshoku Corporation

Forward Citations = 35

23 inventors:

Sohei Matsuyama (3 out of 6 patents)

Toru Inoue (3 out of 3 patents)

Masaki Ishikawa (3 out of 5 patents)

4. Youhei Ishikawa (3 out of 4 patents)

5. Hideyuki Mori (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyota Boshoku Corporation. Retrieved from https://idiyas.com/company/toyota-boshoku

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

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]

7 patents (EPO):

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]