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For the Inventor, By the Inventor

Fukui, Japan

Kb Seiren, Ltd.

Calculating rank
USPTO Granted Patents = 7

% Expired Patents = 42.9


Trademarks = 21

Forward Citations = 11

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15 inventors (with patents filed for the assignee):

goldMedal Naoki Inoue (2 out of 2 patents)

silverMedal Yoshihiro Okamoto (1 out of 2 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#18 in Fukui

#5,462 in Japan

Fukui, JP
Fukui, Japan

Kb Seiren, Ltd.

Forward Citations = 11

15 inventors:

goldMedal Naoki Inoue (2 out of 2 patents)

silverMedal Yoshihiro Okamoto (1 out of 2 patents)

bronzeMedal Naoyuki Yasuda (1 out of 1 patent)

4.  Kiyomichi Ninomiya (1 out of 1 patent)

5.  Shuhei Watabe (1 out of 1 patent)

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

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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