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The Kitasato Institute

USPTO Granted Patents = 102

% Expired Patents = 31.4

CIPO Patents = 3

EPO Patents = 26

Forward Citations = 397

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190 inventors (with patents filed for the assignee):

Satoshi Omura (51 out of 69 patents)

Hiroshi Tomoda (19 out of 26 patents)

Toshiaki Sunazuka (18 out of 19 patents)

4. Rokuro Masuma (10 out of 11 patents)

5. Kanki Komiyama (9 out of 10 patents)

6. Kazuro Shiomi (8 out of 9 patents)

7. Yuzuru Iwai (8 out of 20 patents)

8. Iwao Umezawa (8 out of 8 patents)

9. Yoko Takahashi (7 out of 8 patents)

10. Juichi Awaya (7 out of 10 patents)

11. Yasuhiko Kojima (7 out of 9 patents)

12. Osamu Matsushita (6 out of 18 patents)

13. Takashi Hashimoto (6 out of 127 patents)

14. Joshua Sakon (6 out of 16 patents)

15. Haruo Ikeda (6 out of 15 patents)

Core Competencies:

PCSK9 Inhibitor

Collagen-Binding Agent

Cyclic Depsipeptides

Avermectin Derivatives

Antibiotic Trienomycins

Pest Control Agents

Therapeutic Agents

Vaccine Preparation

Macrolide Derivatives

Glycosphingolipids

Stemphones

Radiation Dosimetry

102 patents: Sort by Forward Citations

1. 12605359 - Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitor and pharmaceutical use therefor (2026-04-21),

2. 12239619 - Composition for inducing pili formation in bacterium of genus (2025-03-04),

3. 12122759 - Method for the synthesis of cyclic depsipeptides (2024-10-22),

4. 11702431 - Oxo-substituted compound (2023-07-18),

5. 11624060 - Collagen-binding agent compositions and methods of using the same (2023-04-11),

6. 11517616 - Composite polypeptide monomer, aggregate of said composite polypeptide monomer having cell penetration function, and norovirus component vaccine for subcutaneous, intradermal, percutaneous, or intramuscular administration and having said aggregate as effective component thereof (2022-12-06),

7. 11407742 - Compound having therapeutic activity against mycobacterium avium complex infection, and method for producing same (2022-08-09),

8. 11406785 - Gas product, method for producing same and method for producing medical inhalation gas (2022-08-09),

9. 11279922 - Delivery of therapeutic agents by a collagen binding protein (2022-03-22),

10. 11150472 - Display system, visibility evaluation method, and method of determining size of visual target (2021-10-19),

11. 11150358 - Radiation dosimetry sol or gel and radiation dosimeter comprising same as material for radiation dosimetry (2021-10-19),

12. 11066425 - Oxo-substituted compound (2021-07-20),

13. 11001820 - Delivery of therapeutic agents by a collagen binding protein (2021-05-11),

14. 10538521 - Pyrimidine derivative having antimalarial activity (2020-01-21),

15. 10307356 - Method for producing mycosporine-like amino acid using microbes (2019-06-04),

Company Overview

The Kitasato Institute, based in Tokyo, Japan, is a prominent research organization specializing in pharmaceutical compositions. Its innovative work encompasses a range of core technology topics, including PCSK9 inhibitors, collagen-binding agents, and cyclic depsipeptides. The institute is also engaged in the development of avermectin derivatives, antibiotic trienomycins, and various therapeutic agents. With a strong focus on vaccine preparation and pest control agents, the Kitasato Institute plays a vital role in advancing medical and agricultural sciences.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

102 Patents

#533 in Tokyo

#1,108 in Japan

#7,648 in the World

The Kitasato Institute

Forward Citations = 397

190 inventors:

Satoshi Omura (51 out of 69 patents)

Hiroshi Tomoda (19 out of 26 patents)

Toshiaki Sunazuka (18 out of 19 patents)

4. Rokuro Masuma (10 out of 11 patents)

5. Kanki Komiyama (9 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Kitasato Institute. Retrieved from https://idiyas.com/company/kitasato-institute

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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