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Nisshinbo Chemical Inc.

USPTO Granted Patents = 22

CIPO Patents = 2

EPO Patents = 23

Trademarks = 1

Forward Citations = 4

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27 inventors (with patents filed for the assignee):

Kenichi Yanagisawa (6 out of 9 patents)

Takahiko Itoh (6 out of 10 patents)

Takahiro Sasaki (5 out of 6 patents)

4. Ikuo Takahashi (5 out of 42 patents)

5. Nobuyuki Matsumoto (4 out of 5 patents)

6. Nami Tsukamoto (4 out of 4 patents)

7. Fumio Tanno (3 out of 14 patents)

8. Shinichi Nakashima (2 out of 2 patents)

9. Yoshihiro Yamazaki (2 out of 48 patents)

10. Kimiyo Banno (1 out of 4 patents)

11. Ayumi Horiuchi (1 out of 6 patents)

12. Norimasa Nakamura (1 out of 15 patents)

13. Chikara Ohto (1 out of 53 patents)

14. Yasuhito Nakagawa (1 out of 1 patent)

15. Akira Taniguchi (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 12415882 - Polycarbodiimide compound, aqueous resin composition and food packaging container (2025-09-16),

2. 12215212 - Aqueous resin crosslinking agent, aqueous resin crosslinking agent-containing liquid, and aqueous resin composition (2025-02-04),

3. 12195637 - Crosslinking agent for aqueous resin, liquid containing crosslinking agent for aqueous resin, and aqueous-resin composition (2025-01-14),

4. 12071395 - Method for producing carbodiimide compound (2024-08-27),

5. 12017977 - Method for producing carbodiimide compound (2024-06-25),

6. 11942666 - Precursor sheet for fuel cell separator, and fuel cell separator (2024-03-26),

7. 11926694 - Method for producing aqueous carbodiimide-containing liquid (2024-03-12),

8. 11879051 - Polyester resin composition (2024-01-23),

9. 11685753 - Metal alkoxide, and aqueous resin crosslinking composition and aqueous resin composition which use same (2023-06-27),

10. 11591435 - Polycarbodiimide compound, production method therefor, and resin composition (2023-02-28),

11. 11345776 - Carboxyl-group-containing aqueous resin composition and method for manufacturing polycarbodiimide compound (2022-05-31),

12. 11254798 - One-pack type adhesive and fuel cell separator (2022-02-22),

13. 11108053 - Resin composition for dense fuel cell separators (2021-08-31),

14. 11028216 - Polycarbodiimide copolymer (2021-06-08),

15. 10647850 - Carbodiimide-based aqueous resin crosslinking agent (2020-05-12),

NISSHINBO CHEMICAL INC. is a global chemical company based in Japan. We specialize in the development and manufacture of advanced materials for various industries including automotive, electronics, and energy. With our commitment to innovation and sustainability, we strive to create value for our customers and contribute to a better future.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

22 Patents

#1,118 in Tokyo

#2,725 in Japan

#27,905 in the World

Nisshinbo Chemical Inc.

Forward Citations = 4

27 inventors:

Kenichi Yanagisawa (6 out of 9 patents)

Takahiko Itoh (6 out of 10 patents)

Takahiro Sasaki (5 out of 6 patents)

4. Ikuo Takahashi (5 out of 42 patents)

5. Nobuyuki Matsumoto (4 out of 5 patents)

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