% Expired Patents = 42.9

EPO Patents = 12

Trademarks = 21

Forward Citations = 11

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15 inventors (with patents filed for the assignee):

Naoki Inoue (2 out of 2 patents)

Yoshihiro Okamoto (1 out of 2 patents)

Naoyuki Yasuda (1 out of 1 patent)

4. Kiyomichi Ninomiya (1 out of 1 patent)

5. Shuhei Watabe (1 out of 1 patent)

6. Hayato Iwamoto (1 out of 1 patent)

7. Yoshitomo Hara (1 out of 1 patent)

8. Hideo Ueda (1 out of 1 patent)

9. Masaharu Saito (1 out of 1 patent)

10. Hiroshi Shibaoka (1 out of 1 patent)

11. Sunao Takahira (1 out of 1 patent)

12. Yasushi Nakai (1 out of 1 patent)

13. Kennichi Sekiya (1 out of 1 patent)

14. Masahide Kaneko (1 out of 1 patent)

15. Shinnichi Kadode (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 10732363 - Cleaning string for cleaning connector and method for producing the same (2020-08-04),

2. 10611195 - Tire bead fiber (2020-04-07),

3. 10494494 - Fiber-reinforced composite material (2019-12-03),

4. 8293364 - Highly shrinkable fiber (2012-10-23),

5. 8278227 - Polyester woven fabric (2012-10-02),

6. 7892640 - Conjugate fibers excellent in antistatic property, water absorption and cool feeling by contact (2011-02-22),

7. 7380485 - Cleaning tool (2008-06-03),

Kb Seiren, Ltd. is a leading manufacturer of high-quality fabrics for various industries. With over 20 years of experience, we specialize in producing innovative and sustainable textiles that meet the needs of our clients. Our products are known for their durability, performance, and eco-friendly features. Visit our website to learn more about our offerings and how we can help meet your fabric needs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#18 in Fukui

#5,450 in Japan

Fukui, Japan

Kb Seiren, Ltd.