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Seiren Company, Ltd

USPTO Granted Patents = 111

% Expired Patents = 25.2

EPO Patents = 32

Trademarks = 12

Forward Citations = 450

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152 inventors (with patents filed for the assignee):

Susumu Takagi (9 out of 9 patents)

Tsuyoshi Houraiya (8 out of 9 patents)

Shota Kodera (8 out of 9 patents)

4. Fumio Shirasaki (8 out of 8 patents)

5. Yukito Kaneko (6 out of 6 patents)

6. Hideyuki Yamada (6 out of 14 patents)

7. Tomoyuki Nishikawa (5 out of 5 patents)

8. Shigeru Nakajima (4 out of 4 patents)

9. Harukazu Kubota (4 out of 4 patents)

10. Sobei Wakabayashi (4 out of 5 patents)

11. Toshiharu Katsuki (4 out of 4 patents)

12. Sachiyo Sakagawa (3 out of 3 patents)

13. Norihiro Ogata (3 out of 3 patents)

14. Kazuhisa Tsujimoto (3 out of 7 patents)

15. Toru Takegawa (3 out of 3 patents)

Core Competencies:

Synthetic Leather

Airbag Fabric

Decorative Sheets

Embossing Methods

Composite Materials

Conductive Fabrics

Waterproof Films

Inkjet Printing

Moisture-Permeable Fabrics

Electromagnetic Wave Shielding

Warp Knitted Fabrics

Flame-Retardant Materials

111 patents: Sort by Forward Citations

1. 12723347 - Synthetic leather and skin material (2026-09-01),

2. 12203196 - Non-coated air bag fabric and air bag (2025-01-21),

3. 12031267 - Synthetic leather (2024-07-09),

4. 12011737 - Printed matter, gloss imparting method, and method for manufacturing printed matter (2024-06-18),

5. 11999145 - Seat skin, and method for producing seat skin (2024-06-04),

6. 11884048 - Decorative sheet, embossing method and embossing die (2024-01-30),

7. 11814783 - Synthetic leather (2023-11-14),

8. 11752969 - Non-coated air bag base cloth and air bag (2023-09-12),

9. 11752968 - Non-coated air bag fabric and air bag (2023-09-12),

10. 11708664 - Synthetic leather and method for producing the same (2023-07-25),

11. 11597180 - Composite material for vehicles (2023-03-07),

12. 11560115 - Airbag base fabric and airbag (2023-01-24),

13. 11529759 - Decorative sheet, embossing method and embossing die (2022-12-20),

14. 11491699 - Emboss fabrication apparatus and emboss fabrication method (2022-11-08),

15. 11482999 - Capacitive sensor and method of manufacturing the same (2022-10-25),

Company Overview

Seiren Company, Ltd, based in Fukui, Japan, specializes in the development and manufacturing of synthetic leather and related materials. The company is recognized for its innovative approaches in various technological domains, including airbag fabric, decorative sheets, and composite materials. Seiren also focuses on advanced techniques such as embossing methods and inkjet printing, alongside producing functional textiles like conductive fabrics and waterproof films, catering to diverse industries and applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

111 Patents

#2 in Fukui

#1,056 in Japan

#7,114 in the World

Seiren Company, Ltd

Forward Citations = 450

152 inventors:

Susumu Takagi (9 out of 9 patents)

Tsuyoshi Houraiya (8 out of 9 patents)

Shota Kodera (8 out of 9 patents)

4. Fumio Shirasaki (8 out of 8 patents)

5. Yukito Kaneko (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Seiren Company, Ltd. Retrieved from https://idiyas.com/company/seiren-company

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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