% Expired Patents = 66.7

EPO Patents = 2

Trademarks = 1

Forward Citations = 48

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14 inventors (with patents filed for the assignee):

Hiroaki Kuwahara (2 out of 15 patents)

Masayuki Chokai (2 out of 8 patents)

Anton Peter De Weijer (2 out of 2 patents)

4. Tatsushi Fujimori (1 out of 10 patents)

5. Dennis Wilbers (1 out of 6 patents)

6. Yasuhiro Marumoto (1 out of 1 patent)

7. Shigeru Ishihara (1 out of 1 patent)

8. Kotaro Takiue (1 out of 1 patent)

9. Shoji Makino (1 out of 1 patent)

10. Haruo Shigeno (1 out of 1 patent)

11. Shouji Makino (1 out of 1 patent)

12. Tomohiro Okuya (1 out of 1 patent)

13. Sadamitsu Murayama (1 out of 8 patents)

14. Shunichi Matsumura (1 out of 44 patents)

15. Kotaro c/o Teijin Techno Products Limted Takiue (0 patent)

6 patents: Sort by Forward Citations

1. 8173256 - Aromatic polyamide fiber, a method for producing the same, and protective clothing material comprising the same (2012-05-08),

2. 7858182 - Wholly aromatic polyamide fibers excellent in processability and adhesiveness (2010-12-28),

3. 7838622 - Dope and process for the production of fiber from the dope (2010-11-23),

4. 7799239 - Phosphate ester treated para-type aromatic polyamide short fibers (2010-09-21),

5. 7652124 - Rigid heterocyclic polymer, production process thereof, and fibers comprising the polymer (2010-01-26),

6. 7026033 - Heat-resistant synthetic fiber sheet (2006-04-11),

Company Overview

Teijin Techno Products Limited is a global leader in high-performance fibers and products, offering innovative solutions for various industries including automotive, aerospace, and protection. With a focus on sustainability and advanced technology, the company is dedicated to delivering high-quality and eco-friendly materials to meet the evolving needs of its customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#651 in Osaka

#5,989 in Japan

Osaka, Japan

Teijin Techno Products Limited

Forward Citations = 48

14 inventors:

Hiroaki Kuwahara (2 out of 15 patents)

Masayuki Chokai (2 out of 8 patents)

Anton Peter De Weijer (2 out of 2 patents)

4. Tatsushi Fujimori (1 out of 10 patents)

5. Dennis Wilbers (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Teijin Techno Products Limited. Retrieved from https://idiyas.com/company/teijin-techno-products

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]

2 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]