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Kumamoto, Japan

Kumamoto University

USPTO Granted Patents = 98

% Expired Patents = 48.0

CIPO Patents = 3

EPO Patents = 9

Forward Citations = 144

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262 inventors (with patents filed for the assignee):

Yoshihito Kawamura (8 out of 10 patents)

Michiaki Yamasaki (5 out of 6 patents)

Arun K Ghosh (4 out of 55 patents)

4. Hiroaki Mitsuya (4 out of 25 patents)

5. Masayo Sakata (4 out of 6 patents)

6. Takumi Era (4 out of 5 patents)

7. Masato Machida (4 out of 11 patents)

8. Hirotaka Ihara (4 out of 9 patents)

9. Shoen Kume (4 out of 4 patents)

10. Nobuaki Shiraki (4 out of 4 patents)

11. Kazuhiko Kume (4 out of 4 patents)

12. Shoji Nozato (3 out of 22 patents)

13. Akira Nakasuga (3 out of 34 patents)

14. Masami Todokoro (3 out of 13 patents)

15. Shogo Misumi (3 out of 3 patents)

Core Competencies:

Drug Carrier

Cancer Treatment

Stem Cell Differentiation

Nanoparticle Assemblies

Influenza Vaccine

Kidney Cancer Detection

Bioabsorbable Stent

Mucosal Adjuvant

HIV Protease Inhibitors

Magnesium Alloys

Plant Growth Inhibitors

Optical Measurement

98 patents: Sort by Forward Citations

1. 12290821 - Electric pulse decomposition method, composite material, and composite material decomposition method (2025-05-06),

2. 12246071 - Brain-penetrating ligand and drug carrier (2025-03-11),

3. 12150939 - Therapeutic drug for ectopic ossification having mechanism to inhibit PAR1 (2024-11-26),

4. 11890338 - Inactivated whole-virus influenza vaccine and method for preparing same (2024-02-06),

5. 11802284 - Medicine for treating cancer and method for treating cancer (2023-10-31),

6. 11771678 - Therapeutic agent for neuropathy in organic acidemia of which mechanism relies on increase in cAMP (2023-10-03),

7. 11725226 - Method for detecting kidney cancer (2023-08-15),

8. 11707521 - Mucosal adjuvant (2023-07-25),

9. 11702636 - Composition inducing cell reprogramming and production method for multifunction cells using said composition (2023-07-18),

10. 11685716 - Plant growth inhibiting agent, and plant growth inhibiting method using same (2023-06-27),

11. 11633505 - Nuclear magnetic resonance diagnostic agent, and method for detecting or diagnosing state of cell, tissue or organ in subject using same (2023-04-25),

12. 11493431 - Optical measurement system, optical cell, and optical measurement method (2022-11-08),

13. 11471613 - Syringe needle removal apparatus (2022-10-18),

14. 11438277 - Allocation method, allocating device, and computer-readable recording medium (2022-09-06),

15. 11235073 - Method for treating or preventing heart failure (2022-02-01),

Company Overview

Kumamoto University, located in Kumamoto, Japan, is a prominent institution specializing in biomedical innovations. The university focuses on advanced research in areas such as drug carriers, cancer treatment, and stem cell differentiation. Its work extends to developing nanoparticle assemblies for targeted therapies, enhancing influenza vaccines, and improving kidney cancer detection methods. Additionally, Kumamoto University is engaged in the creation of bioabsorbable stents and mucosal adjuvants, contributing significantly to the field of medical technology and healthcare solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

98 Patents

#3 in Kumamoto

#1,139 in Japan

#7,930 in the World

Kumamoto, Japan

Kumamoto University

Forward Citations = 144

262 inventors:

Yoshihito Kawamura (8 out of 10 patents)

Michiaki Yamasaki (5 out of 6 patents)

Arun K Ghosh (4 out of 55 patents)

4. Hiroaki Mitsuya (4 out of 25 patents)

5. Masayo Sakata (4 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kumamoto University. Retrieved from https://idiyas.com/company/kumamoto-university

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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