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For the Inventor, By the Inventor

Osaka, Japan

Stemrim Inc.

Calculating rank
USPTO Granted Patents = 9

% Expired Patents = 11.1


Forward Citations = 8

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17 inventors (with patents filed for the assignee):

goldMedal Katsuto Tamai (9 out of 17 patents)

silverMedal Takehiko Yamazaki (9 out of 13 patents)

bronzeMedal Takashi Shimbo (4 out of 4 patents)

4.  Mayumi Endo (3 out of 3 patents)

5.  Takenao Chino (2 out of 4 patents)

6.  Yasufumi Kaneda (2 out of 25 patents)

7.  Tsutomu Kanezaki (2 out of 2 patents)

8.  Shigeru Sakurai (2 out of 2 patents)

9.  Yukiko Noguchi (2 out of 2 patents)

10.  Natsumi Hamabuchi (2 out of 2 patents)

11.  Kana Naito (2 out of 2 patents)

12.  Yoshiki Sawa (1 out of 22 patents)

13.  Shigeru Miyagawa (1 out of 14 patents)

14.  Kotaro Saga (1 out of 2 patents)

15.  Takashi Kido (1 out of 1 patent)


9 patents:

1. 12428458 - Therapeutic agent for psoriasis (2025-09-30),
2. 12421498 - Ectodermal mesenchymal stem cells and method for producing same (2025-09-23),
3. 12304933 - Disease treatment drug based on mesenchymal-stem-cell mobilization (2025-05-20),
4. 11969459 - Therapeutic agent for cardiomyopathy, old myocardial infarction and chronic heart failure (2024-04-30),
5. 11298403 - Therapeutic agent for inflammatory bowel disease (2022-04-12),
6. 11197895 - Method for collecting functional cells in vivo with high efficiency (2021-12-14),
7. 11191786 - Agents for promoting tissue regeneration by recruiting bone marrow mesenchymal stem cells and/or pluripotent stem cells into blood (2021-12-07),
8. 10550165 - Peptide for inducing regeneration of tissue and use thereof (2020-02-04),
9. 10364276 - Peptide for inducing regeneration of tissue and use thereof (2019-07-30),
Company Overview
Stemrim Inc. is a leading biotechnology company specializing in stem cell research and regenerative medicine. Our innovative technologies and advanced methodologies have revolutionized the field, providing cutting-edge solutions for various medical conditions. With a team of expert scientists and researchers, Stemrim Inc. is committed to advancing healthcare through groundbreaking discoveries and clinical applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#501 in Osaka

#4,704 in Japan

Osaka, JP
Osaka, Japan

Stemrim Inc.

Forward Citations = 8

17 inventors:

goldMedal Katsuto Tamai (9 out of 17 patents)

silverMedal Takehiko Yamazaki (9 out of 13 patents)

bronzeMedal Takashi Shimbo (4 out of 4 patents)

4.  Mayumi Endo (3 out of 3 patents)

5.  Takenao Chino (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Stemrim Inc.. Retrieved from https://idiyas.com/company/stemrim

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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