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Tokuyama Sekisui Co., Ltd.

USPTO Granted Patents = 18

CIPO Patents = 1

EPO Patents = 8

Forward Citations = 5

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38 inventors (with patents filed for the assignee):

Norikazu Mashino (10 out of 10 patents)

Kenichi Matsumura (7 out of 13 patents)

Yasunari Kusaka (5 out of 22 patents)

4. Hiroshi Taniguchi (5 out of 5 patents)

5. Atsushi Seiki (5 out of 5 patents)

6. Kento Murakami (5 out of 5 patents)

7. Kei Yoshiyama (4 out of 4 patents)

8. Isao Higuchi (3 out of 9 patents)

9. Atsushi Kawano (3 out of 4 patents)

10. Hiroaki Mochizuki (2 out of 2 patents)

11. Nami Nakajima (2 out of 12 patents)

12. Ryota Yamasugi (2 out of 6 patents)

13. Tsukasa Gotou (2 out of 2 patents)

14. Takehisa Sugaya (2 out of 4 patents)

15. Masahiko Yamagata (2 out of 2 patents)

18 patents: Sort by Forward Citations

1. 12351672 - Chlorinated vinyl-chloride-based resin (2025-07-08),

2. 12187883 - Chlorinated vinyl chloride resin (2025-01-07),

3. 12110385 - Chlorinated vinyl chloride resin (2024-10-08),

4. 12110384 - Chlorinated vinyl chloride resin composition for window frame, and window frame member (2024-10-08),

5. 12104051 - Chlorinated vinyl chloride-based resin (2024-10-01),

6. 12104004 - Chlorinated vinyl chloride resin (2024-10-01),

7. 12037423 - Chlorinated vinyl-chloride-based resin (2024-07-16),

8. 11912855 - Resin composition for molding (2024-02-27),

9. 11866574 - Resin composition for molding (2024-01-09),

10. 11692091 - Resin composition for injection molding (2023-07-04),

11. 11174381 - Resin composition for molding (2021-11-16),

12. 10000634 - Resin composition for molding use (2018-06-19),

13. 9765195 - Molding resin composition including chlorinated vinyl chloride-based resin, and molded article thereof (2017-09-19),

14. 9758633 - Molding resin composition including chlorinated vinyl chloride-based resin, and molded article thereof (2017-09-12),

15. 9611374 - Molding resin composition including chlorinated vinyl chloride-based resin, and molded article thereof (2017-04-04),

Tokuyama Sekisui Co., Ltd. is a leading Japanese company specializing in the production of chemicals and industrial materials. They provide a wide range of products, including vinyl chloride resins, silicones, and pharmaceuticals. With a commitment to innovation and sustainability, Tokuyama Sekisui Co., Ltd. aims to contribute to the advancement of society and the well-being of people around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#295 in Osaka

#3,052 in Japan

#33,147 in the World

Tokuyama Sekisui Co., Ltd.

Forward Citations = 5

38 inventors:

Norikazu Mashino (10 out of 10 patents)

Kenichi Matsumura (7 out of 13 patents)

Yasunari Kusaka (5 out of 22 patents)

4. Hiroshi Taniguchi (5 out of 5 patents)

5. Atsushi Seiki (5 out of 5 patents)

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