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Toagosei Company, Ltd.

Calculating rank

USPTO Granted Patents = 273

% Expired Patents = 17.6

CIPO Patents = 1

EPO Patents = 78

Trademarks = 35

Forward Citations = 1,158

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334 inventors (with patents filed for the assignee):

Tetsuhiko Yoshida (53 out of 58 patents)

Nahoko Baileykobayashi (28 out of 30 patents)

Nahoko Kobayashi (19 out of 19 patents)

4. Koji Sugiura (18 out of 21 patents)

5. Hiroshi Suzuki (16 out of 38 patents)

6. Yushi Ando (14 out of 15 patents)

7. Hideo Matsuzaki (13 out of 15 patents)

8. Eiichi Okazaki (11 out of 18 patents)

9. Naohiko Saito (10 out of 11 patents)

10. Mikio Niwa (10 out of 10 patents)

11. Akinori Kitamura (10 out of 10 patents)

12. Makoto Sawada (9 out of 33 patents)

13. Michihiro Kaai (8 out of 9 patents)

14. Kenichi Ishizaki (8 out of 8 patents)

15. Mamoru Takahashi (8 out of 10 patents)

Core Competencies:

Secondary Battery

Electrode Binder

Adhesive Composition

Antiviral Peptide

Electrode Mixture

Deodorant Composition

Curable Composition

Nonaqueous Electrolyte

Nanocellulose

Antitumor Peptide

Zirconium Phosphate

Semiconductor Cleaning

273 patents: Sort by Forward Citations

1. 12482822 - Secondary battery electrode binder, secondary battery electrode mixture layer composition, secondary battery electrode and secondary battery (2025-11-25),

2. 12479199 - Bonded and stacked core manufacturing method and bonded and stacked core manufacturing apparatus (2025-11-25),

3. 12448546 - Assembly for fuel cell, and laminated body (2025-10-21),

4. 12392770 - Foreign substance introduction construct and use thereof (2025-08-19),

5. 12371323 - Zirconium phosphate particles, basic gas deodorant using the same, and production method thereof (2025-07-29),

6. 12350684 - Production method and production device for resin powder or inorganic powder (2025-07-08),

7. 12308435 - Binder for a secondary battery electrode and use thereof (2025-05-20),

8. 12305082 - Curable-type composition, two-component curable-type composition set, and method of producing adhered product (2025-05-20),

9. 12285476 - Amino acid sequence derived from S protein of SARS-CoV2 for generating an anti-SARS-CoV-2 antibody (2025-04-29),

10. 12258493 - Adhesive composition, film-like adhesive and multilayer film (2025-03-25),

11. 12241005 - Laminated body (2025-03-04),

12. 12215250 - Adhesive composition and heat-fusible member using same (2025-02-04),

13. 12209242 - siRNA based on RNA sequence of SARS-CoV-2 and use thereof (2025-01-28),

14. 12042777 - Deodorant composition suitable for aldehyde-based gas or ketone-based gas (2024-07-23),

15. 12041936 - Antiviral agent, coating composition, resin composition and antiviral product (2024-07-23),

Company Overview

Toagosei Company, Ltd., headquartered in Tokyo, Japan, specializes in advanced battery technology, focusing on the development and manufacturing of components essential for energy storage solutions. The company is known for its innovations in secondary batteries, including electrode binders and adhesive compositions, which enhance performance and efficiency. Additionally, Toagosei is involved in creating various chemical compositions, such as antiviral peptides and deodorants, showcasing its diverse expertise in both energy and specialty chemicals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

273 Patents

#288 in Tokyo

#566 in Japan

#3,214 in the World

Toagosei Company, Ltd.

Forward Citations = 1,158

334 inventors:

Tetsuhiko Yoshida (53 out of 58 patents)

Nahoko Baileykobayashi (28 out of 30 patents)

Nahoko Kobayashi (19 out of 19 patents)

4. Koji Sugiura (18 out of 21 patents)

5. Hiroshi Suzuki (16 out of 38 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toagosei Company, Ltd.. Retrieved from https://idiyas.com/company/toagosei-company

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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