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Yamasa Corporation

USPTO Granted Patents = 69

% Expired Patents = 18.8

CIPO Patents = 8

EPO Patents = 18

Forward Citations = 219

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110 inventors (with patents filed for the assignee):

Toshitada Noguchi (13 out of 14 patents)

Kazuya Ishige (12 out of 12 patents)

Satoru Kohgo (8 out of 8 patents)

4. Tomoki Hamamoto (7 out of 7 patents)

5. Hiroaki Mitsuya (6 out of 25 patents)

6. Kohei Yamada (6 out of 6 patents)

7. Hiroshi Ohrui (6 out of 8 patents)

8. Eiichi Kodama (6 out of 6 patents)

9. Kazuki Endo (5 out of 6 patents)

10. Haruhiko Machida (5 out of 14 patents)

11. Masao Matsuoka (4 out of 4 patents)

12. Yuichi Yoshimura (4 out of 4 patents)

13. Yusuke Ohba (3 out of 3 patents)

14. Masaru Hamaoki (3 out of 3 patents)

15. Kiyoshi Okuyama (3 out of 3 patents)

Core Competencies:

Nucleoside Derivatives

Cyclic Dinucleotides

Soy Sauce Production

Enzymatic Synthesis

Polyphosphate Compounds

Antibody Reagents

Pharmaceutical Compositions

Diagnostic Agents

Sugar Nucleotides

L-Glutamate Oxidase

Purine Compounds

Autoantibody Measurement

69 patents: Sort by Forward Citations

1. 12662507 - Cytosine-type bridged nucleoside amidite crystals and method for producing same (2026-06-23),

2. 12661369 - Muscular atrophy inhibitor and method for inhibiting muscular atrophy (2026-06-23),

3. 12649941 - PRACTICAL ENZYMATIC SYNTHESIS OF 3',3'-CGAMP (2026-06-09),

4. 12480946 - Method and kit for rapid measurement of autoantibody activity with respect to TSH receptor (2025-11-25),

5. 12398170 - Nucleoside derivative and use thereof (2025-08-26),

6. 12173023 - Crosslinked nucleoside intermediate crystal and method for producing same, and method for producing crosslinked nucleoside amidite (2024-12-24),

7. 11780874 - Nucleoside derivative and use thereof (2023-10-10),

8. 11485754 - Cyclic-di-AMP sodium salt crystal (2022-11-01),

9. 11396524 - Hydrate crystal of 3',3′-cGAMP (2022-07-26),

10. 11208428 - Method for producing P,P-di(uridine 5'-) tetraphosphate (2021-12-28),

11. 11008563 - Dried L-glutamate oxidase composition (2021-05-18),

12. 10836783 - Inclusion compound of 3' ,5′-cyclic diadenylic acid and manufacturing method thereof (2020-11-17),

13. 10815263 - Method for purifying P1,P4-di(uridine 5'-)tetraphosphate (2020-10-27),

14. 10787479 - Crystalline 3',5′-cyclic diguanylic acid (2020-09-29),

15. 10493091 - Method for storing P, P-bis(5'-uridyl)teraphosphate crystals (2019-12-03),

Company Overview

Yamasa Corporation, headquartered in Chiba, Japan, specializes in nucleoside chemistry, focusing on the development and production of nucleoside derivatives and cyclic dinucleotides. The company is renowned for its expertise in enzymatic synthesis and polyphosphate compounds, which are integral to various applications in pharmaceuticals and diagnostics. Additionally, Yamasa is recognized for its traditional soy sauce production, blending age-old techniques with modern scientific advancements to enhance flavor and quality.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

69 Patents

#18 in Chiba

#1,418 in Japan

#10,773 in the World

Yamasa Corporation

Forward Citations = 219

110 inventors:

Toshitada Noguchi (13 out of 14 patents)

Kazuya Ishige (12 out of 12 patents)

Satoru Kohgo (8 out of 8 patents)

4. Tomoki Hamamoto (7 out of 7 patents)

5. Hiroaki Mitsuya (6 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamasa Corporation. Retrieved from https://idiyas.com/company/yamasa

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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