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Nitto Kasei Co., Ltd.

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USPTO Granted Patents = 20

% Expired Patents = 5.0

EPO Patents = 28

Trademarks = 1

Forward Citations = 53

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31 inventors (with patents filed for the assignee):

Yuya Nakagawa (6 out of 7 patents)

Haruka Yoshiyama (4 out of 5 patents)

Hideyuki Imazaki (4 out of 4 patents)

4. Masazumi Fujikawa (4 out of 4 patents)

5. Yuji Imada (3 out of 6 patents)

6. Hidenori Waku (3 out of 3 patents)

7. Kazuhiko Sakamoto (3 out of 3 patents)

8. Kazunori Namba (3 out of 4 patents)

9. Nanae Kikui (3 out of 4 patents)

10. Hideo Haneda (2 out of 2 patents)

11. Kiyomi Mori (2 out of 2 patents)

12. Takayoshi Fujimoto (2 out of 2 patents)

13. Satoshi Minamino (2 out of 2 patents)

14. Toshio Takahashi (2 out of 22 patents)

15. Katsuaki Oba (2 out of 3 patents)

20 patents: Sort by Forward Citations

1. 12516157 - Curing catalyst used for curing polymer, method for producing same, moisture-curable composition, and method for producing cured product (2026-01-06),

2. 12479869 - Curing catalyst used for curing of polymer, method for producing same, moisture-curable composition, and method for producing cured product (2025-11-25),

3. 12460051 - Curing catalyst used for curing polymer, method for producing same, moisture-curable composition, and method for producing cured product (2025-11-04),

4. 12312464 - Curing catalyst used for curing of polymer, moisture curable composition, and method for producing cured product (2025-05-27),

5. 12285742 - Curing catalyst used for curing of polymer, production method for said curing catalyst, moisture-curable composition, and production method for cured article (2025-04-29),

6. 11466157 - Curing catalyst for organic polymer or organopolysiloxane, moisturecurable composition, cured product, and production method therefor (2022-10-11),

7. 11059837 - Catalyst for polyester polymerization and method for producing polyester resin (2021-07-13),

8. 10077366 - Antifouling coating composition, antifouling coating film formed using said composition, and coated article having antifouling coating film on surface (2018-09-18),

9. 9822263 - Electrodeposition coating material composition and catalyst for electrodeposition coating material (2017-11-21),

10. 9624385 - Antifouling paint composition, copolymer for antifouling paint composition and method for manufacturing same, and painted object having on surface antifouling paint film formed using said composition (2017-04-18),

11. 7989521 - Antifouling coating composition, antifouling coating film formed using the composition, coated article having the coating film on the surface, and antifouling treatment method to form the coating film (2011-08-02),

12. 7977407 - Antifouling coating composition, antifouling coating film formed from the composition, coated object having the coating film on surface, and method of antifouling by forming the coating film (2011-07-12),

13. 4965380 - Process for preparation of asymmetric triorganotin halide (1990-10-23),

14. 4935408 - Organotin compounds and pesticides containing them (1990-06-19),

15. 4774235 - Organotin compounds and pesticides containing them (1988-09-27),

Company Overview

Nitto Kasei Co., Ltd. is a prominent manufacturer based in Osaka, Japan, specializing in the development of advanced materials and chemical products. The company focuses on innovative solutions across various sectors, including automotive, electronics, and healthcare. With a commitment to research and development, Nitto Kasei aims to enhance product performance and sustainability through cutting-edge technologies. Its expertise in material science positions it as a key player in addressing contemporary industrial challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

20 Patents

#320 in Osaka

#2,944 in Japan

#31,296 in the World

Nitto Kasei Co., Ltd.

Forward Citations = 53

31 inventors:

Yuya Nakagawa (6 out of 7 patents)

Haruka Yoshiyama (4 out of 5 patents)

Hideyuki Imazaki (4 out of 4 patents)

4. Masazumi Fujikawa (4 out of 4 patents)

5. Yuji Imada (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nitto Kasei Co., Ltd.. Retrieved from https://idiyas.com/company/nitto-kasei-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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