% Expired Patents = 37.5

EPO Patents = 10

Trademarks = 7

Forward Citations = 1

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21 inventors (with patents filed for the assignee):

Kenichi Ason (4 out of 6 patents)

Yoshie Yasumatsu (3 out of 4 patents)

Takaomi Kessoku (2 out of 3 patents)

4. Atsushi Nakajima (2 out of 6 patents)

5. Yoshio Sumida (2 out of 2 patents)

6. Yuichiro Eguchi (2 out of 2 patents)

7. Yusuke Sauchi (2 out of 2 patents)

8. Yuki Saito (2 out of 2 patents)

9. Tomohiro Nakagawa (2 out of 2 patents)

10. Naoto Kaji (2 out of 2 patents)

11. Susumu Saito (2 out of 23 patents)

12. Hiroko Kodera (1 out of 2 patents)

13. Eiji Nakao (1 out of 2 patents)

14. Yusuke Fukuda (1 out of 1 patent)

15. Setsuko Hirakura (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 11771735 - Composition for improving or preventing nonalcoholic fatty liver (2023-10-03),

2. 11207371 - Composition for improving or preventing nonalcoholic fatty liver (2021-12-28),

3. 11058136 - Salty taste enhancing composition (2021-07-13),

4. 10766829 - Yeast extract having effect of promoting growth of plant and elongation of root and effect of improving added values of plant (2020-09-08),

5. 10285421 - Anthocyanin-pigment color developer (2019-05-14),

6. 10196430 - Effective use of yeast and yeast extract residue (2019-02-05),

7. 10023836 - Medium for yeasts (2018-07-17),

8. 9885005 - Phospholipid alpha-linolenic acid composition (2018-02-06),

Company Overview

Kohjin Life Sciences Co., Ltd. is a leading biotechnology company specializing in innovative solutions for health and wellness. With a focus on research and development, Kohjin Life Sciences is dedicated to providing high-quality ingredients and products that promote optimal health and vitality. Our expertise in fermentation technology and nutritional supplements sets us apart in the industry, allowing us to deliver cutting-edge solutions for a healthier world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#2,151 in Tokyo

#5,049 in Japan

Tokyo, Japan

Kohjin Life Sciences Co., Ltd.

Forward Citations = 1

21 inventors:

Kenichi Ason (4 out of 6 patents)

Yoshie Yasumatsu (3 out of 4 patents)

Takaomi Kessoku (2 out of 3 patents)

4. Atsushi Nakajima (2 out of 6 patents)

5. Yoshio Sumida (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kohjin Life Sciences Co., Ltd.. Retrieved from https://idiyas.com/company/kohjin-life-sciences-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]

10 patents (EPO):

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]