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Yoshitomi Pharmaceutical Industries, Ltd.

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USPTO Granted Patents = 198

CIPO Patents = 2

Forward Citations = 2,339

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324 inventors (with patents filed for the assignee):

Tetsuya Tahara (23 out of 23 patents)

Takanori Oe (14 out of 14 patents)

Tsutomu Yamanaka (13 out of 13 patents)

4. Minoru Moriwaki (12 out of 12 patents)

5. Kenji Chiba (10 out of 23 patents)

6. Michio Terasawa (10 out of 12 patents)

7. Osamu Yaoka (10 out of 10 patents)

8. Tohru Nakao (10 out of 10 patents)

9. Takeshi Kawakita (9 out of 9 patents)

10. Mineo Tsuruda (9 out of 9 patents)

11. Yasuto Morimoto (9 out of 9 patents)

12. Masafumi Arita (8 out of 8 patents)

13. Shuzo Takehara (8 out of 8 patents)

14. Kazuhiko Araki (8 out of 8 patents)

15. Hideki Ao (8 out of 8 patents)

Core Competencies:

Rho Kinase Inhibitor

Immunoglobulin Preparation

Optically Active Compounds

Benzamide Compounds

Heterocyclic Compounds

Antiallergic Composition

Sustained Release Microspheres

Pharmaceutical Applications

Therapeutic Agents

Industrial Microbicide

Prophylaxis Treatments

Fused Compounds

198 patents: Sort by Forward Citations

1. 6309864 - Process for producing foreign proteins (2001-10-30),

2. 6218410 - Medicines comprising Rho kinase inhibitor (2001-04-17),

3. 6187774 - Fused heterocyclic compounds and pharmaceutical applications thereof (2001-02-13),

4. 6177059 - GPIb-lipid complex and uses thereof (2001-01-23),

5. 6166221 - Production method of optically active imidazole compound, synthetic (2000-12-26),

6. 6159471 - Room temperature storable immunoglobulin preparation for intravenous (2000-12-12),

7. 6156766 - Benzamide compounds and pharmaceutical use thereof (2000-12-05),

8. 6129925 - Container filled with infusion liquids and infusion preparation (2000-10-10),

9. 6121329 - Topical administration of (2000-09-19),

10. 6090384 - Antiallergic compostion (2000-07-18),

11. 6080738 - Heterocyclic amide compounds and medicinal uses thereof (2000-06-27),

12. 6068995 - Method for producing protein (2000-05-30),

13. 6066739 - Process for producing optically active imidazole compounds, (2000-05-23),

14. 6060496 - Prophylaxis and treatment of diabetic complications with (2000-05-09),

15. 6060480 - Preventives/remedies for muscle tissue degenerations (2000-05-09),

Company Overview

Yoshitomi Pharmaceutical Industries, Ltd., based in Osaka, Japan, specializes in the development and manufacturing of pharmaceutical compounds. The company focuses on innovative therapeutic solutions, particularly in the areas of Rho kinase inhibitors and immunoglobulin preparations. Their research encompasses a range of core technologies, including optically active and heterocyclic compounds, as well as sustained release microspheres. Yoshitomi is committed to advancing pharmaceutical applications that address various health challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

198 Patents

#78 in Osaka

#705 in Japan

#4,268 in the World

Yoshitomi Pharmaceutical Industries, Ltd.

Forward Citations = 2,339

324 inventors:

Tetsuya Tahara (23 out of 23 patents)

Takanori Oe (14 out of 14 patents)

Tsutomu Yamanaka (13 out of 13 patents)

4. Minoru Moriwaki (12 out of 12 patents)

5. Kenji Chiba (10 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yoshitomi Pharmaceutical Industries, Ltd.. Retrieved from https://idiyas.com/company/yoshitomi-pharmaceutical-industries

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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