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Toagosei Company, Ltd.

USPTO Granted Patents = 273

CIPO Patents = 1

EPO Patents = 78

Trademarks = 38

Forward Citations = 1,123

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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

Fuel Cell Assembly

Zirconium Phosphate Particles

Antiviral Peptide

Resin Powder Production

Nucleolar Localization Peptide

Cellulose Nanofibers

Pressure-Sensitive Adhesive

Antitumor Peptide

Polymer Electrolyte Composition

Ion Trapping Agent

SARS-CoV-2 Antibody

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),

Toagosei Company, Ltd. is a Japanese chemical manufacturing company. They operate in various segments including Chemicals, Resins & Films, Adhesives, Inorganic Materials, and Specialty Products. With a focus on innovation and sustainability, Toagosei develops and manufactures a wide range of high-quality chemical products used in industries such as automotive, electronics, construction, healthcare, and more. Through their global presence and commitment to excellence, Toagosei continues to contribute to the advancement of various sectors and improve people's lives worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

273 Patents

#251 in Tokyo

#549 in Japan

#3,121 in the World

Toagosei Company, Ltd.

Forward Citations = 1,123

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)

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