For the Inventor, By the Inventor

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Yamagata, Japan

Spiber Inc.

USPTO Granted Patents = 34

% Expired Patents = 2.9

CIPO Patents = 3

EPO Patents = 23

Trademarks = 5

Forward Citations = 28

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71 inventors (with patents filed for the assignee):

Keisuke Morita (8 out of 8 patents)

Kazuhide Sekiyama (7 out of 7 patents)

Junichi Sugahara (6 out of 7 patents)

4. Yunosuke Abe (6 out of 7 patents)

5. Kaori Sekiyama (5 out of 5 patents)

6. Mizuki Ishikawa (5 out of 5 patents)

7. Shinya Murata (4 out of 4 patents)

8. Toshiaki Osawa (4 out of 4 patents)

9. Kentaro Nakase (3 out of 3 patents)

10. Hiroaki Suzumura (3 out of 3 patents)

11. Akihiko Ozeki (3 out of 3 patents)

12. Takehisa Maekawa (2 out of 2 patents)

13. Keiji Numata (2 out of 7 patents)

14. Junichi Shimokata (2 out of 2 patents)

15. Kana Ishida (2 out of 2 patents)

34 patents: Sort by Forward Citations

1. 12690634 - FIBER FOR ARTIFICIAL HAIRS, ARTIFICIAL HAIR, METHOD FOR PRODUCING FIBER FOR ARTIFICIAL HAIRS, AND METHOD FOR PRODUCING ARTIFICIAL HAIR (2026-07-28),

2. 12686954 - RECOMBINANT-STRUCTURE PROTEIN MULTIFILAMENT AND METHOD FOR MANUFACTURING SAME (2026-07-21),

3. 12668896 - Blended Yarn, Knitted/Woven Body of Same, and Method for Manufacturing Said Knitted/Woven Body (2026-06-30),

4. 12428454 - Water-absorbing and quick-drying property-imparting agent, and method for imparting water-absorbing and quick-drying properties (2025-09-30),

5. 12319718 - Modified fibroin (2025-06-03),

6. 12195883 - Modified fibroin fibers (2025-01-14),

7. 12163259 - Protein spun yarn manufacturing method (2024-12-10),

8. 12145971 - Polypeptide solution, production method for polypeptide fiber, and artificial polypeptide (2024-11-19),

9. 12084574 - Flexible polyurethane foam, automobile seat pad, and flexible polyurethane foam production method (2024-09-10),

10. 12018405 - Protein fiber crimping method, protein fiber production method, protein fibers, spun yarn, and textile product (2024-06-25),

11. 12018056 - Highly contracted synthetic fibroin fiber, production method therefor, and method for contracting synthetic fibroin fiber (2024-06-25),

12. 11981088 - Molded article and method for production thereof (2024-05-14),

13. 11851684 - Expression cassette (2023-12-26),

14. 11692015 - Modified fibroin (2023-07-04),

15. 11668024 - Polar solvent solution and production method thereof (2023-06-06),

Spiber Inc. is a Japanese biotechnology company that specializes in developing and manufacturing sustainable and high-performance biomaterials. With the goal of creating a better society through cutting-edge technology, Spiber harnesses the power of synthetic biology to produce high-performance fibers inspired by spider silk. These biomaterials find applications in industries such as apparel, automotive, aerospace, and medicine. Spiber's innovative approach focuses on sustainability, resource efficiency, and functionality to drive positive change in various sectors.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

34 Patents

#3 in Yamagata

#2,166 in Japan

#19,594 in the World

Yamagata, Japan

Spiber Inc.

Forward Citations = 28

71 inventors:

Keisuke Morita (8 out of 8 patents)

Kazuhide Sekiyama (7 out of 7 patents)

Junichi Sugahara (6 out of 7 patents)

4. Yunosuke Abe (6 out of 7 patents)

5. Kaori Sekiyama (5 out of 5 patents)

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