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Teijin Fibers Limited

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USPTO Granted Patents = 43

% Expired Patents = 55.8

CIPO Patents = 8

EPO Patents = 30

Trademarks = 9

Forward Citations = 334

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76 inventors (with patents filed for the assignee):

Mie Kamiyama (4 out of 4 patents)

Satoshi Yasui (3 out of 7 patents)

Shintaro Shimada (3 out of 4 patents)

4. Fuyuki Terasaka (3 out of 5 patents)

5. Hironori Goda (3 out of 6 patents)

6. Minoru Nakashima (3 out of 6 patents)

7. Tsuyoshi Soeda (3 out of 4 patents)

8. Miyuki Numata (3 out of 3 patents)

9. Atsushi Suzuki (3 out of 24 patents)

10. Nobuyuki Yamamoto (2 out of 88 patents)

11. Kenji Inagaki (2 out of 8 patents)

12. Machiko Oouchida (2 out of 2 patents)

13. Seiji Ito (2 out of 2 patents)

14. Kenji Atarashi (2 out of 11 patents)

15. Hiroyuki Mori (2 out of 6 patents)

Core Competencies:

Nonwoven Fabric

Composite Fiber

Polyester Composition

Recycling Method

Knitted Fabric

Conductive Fiber

Moisture-Permeable Fabric

Polyethylene Terephthalate

Fiber Production

Sports Clothing

Molded Article

Yarn Manufacturing

43 patents: Sort by Forward Citations

1. 9890478 - Wet type nonwoven fabric and filter (2018-02-13),

2. 9030359 - Communication sheet structure and information management system (2015-05-12),

3. 8653232 - Manufacturing method of polyethylene terephthalate (2014-02-18),

4. 8570240 - Communication sheet structure (2013-10-29),

5. 8524804 - Surface-treated fiber, resin composition, and molded article of the composition (2013-09-03),

6. 8476372 - Polyester fiber and method for its production, and tire cord, tire, belt-reinforcing fiber material and belt comprising the polyester fiber (2013-07-02),

7. 8420703 - Method for separating and removing foreign matters from polyester fiber waste (2013-04-16),

8. 8318305 - Resin composition (2012-11-27),

9. 8297035 - Normal pressure cationic dyeable polyester and fiber (2012-10-30),

10. 8276405 - Knitted fabric and sports clothing (2012-10-02),

11. 8241452 - Reinforcement fibrous cord having excellent adhesive strength and method of producing same (2012-08-14),

12. 8240174 - Undergarment (2012-08-14),

13. 8163841 - Polyethylene naphthalate fibers and method for producing the same (2012-04-24),

14. 8158718 - Polyethylene naphthalate fibers and method for producing the same (2012-04-17),

15. 8153253 - Conjugate fiber-containing yarn (2012-04-10),

Company Overview

Teijin Fibers Limited, headquartered in Osaka, Japan, specializes in the development and manufacturing of advanced fiber products. The company focuses on innovative technologies in nonwoven fabrics, polyester fibers, and composite materials, catering to diverse industries including automotive, healthcare, and textiles. Teijin is recognized for its expertise in producing reinforcement cords, conductive fibers, and moisture-permeable fabrics, contributing to enhanced performance and sustainability in various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

43 Patents

#205 in Osaka

#1,886 in Japan

#16,047 in the World

Teijin Fibers Limited

Forward Citations = 334

76 inventors:

Mie Kamiyama (4 out of 4 patents)

Satoshi Yasui (3 out of 7 patents)

Shintaro Shimada (3 out of 4 patents)

4. Fuyuki Terasaka (3 out of 5 patents)

5. Hironori Goda (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Teijin Fibers Limited. Retrieved from https://idiyas.com/company/teijin-fibers

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]

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