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Toyo Stauffer Chemical Co., Ltd.

USPTO Granted Patents = 24

Forward Citations = 116

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19 inventors (with patents filed for the assignee):

Masaru Takitani (16 out of 17 patents)

Yoshikazu Takahashi (11 out of 11 patents)

Yoichi Sunada (8 out of 8 patents)

4. Shizuo Tomiyasu (7 out of 7 patents)

5. Keikichi Baba (7 out of 7 patents)

6. Shoichi Tokunaga (3 out of 3 patents)

7. Atsumi Kato (3 out of 3 patents)

8. Hisashi Yamamoto (2 out of 11 patents)

9. Genichi Tsuchihashi (2 out of 20 patents)

10. Keisuke Suzuki (2 out of 2 patents)

11. Masao Fujisawa (1 out of 2 patents)

12. Kiyoshi Yamane (1 out of 1 patent)

13. Shoji Mizuno (1 out of 1 patent)

14. Teruhiro Setoguchi (1 out of 1 patent)

15. Shizuo Tomiyashu (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 4798903 - Optically active 3,3'-disilylbinaphthol derivatives (1989-01-17),

2. 4734999 - Cylinder for metal organic chemical vapor deposition (1988-04-05),

3. 4628120 - Preparing method of optically active ketones (1986-12-09),

4. 4604486 - Method of preparing optically active ketones (1986-08-05),

5. 4556515 - Manufacturing process of .beta.-acylenamine (1985-12-03),

6. 4525558 - Catalytic component for polymerization of .alpha.-olefin and method for (1985-06-25),

7. 4463145 - Method for homo- or co-polymerization of .alpha.-olefin (1984-07-31),

8. 4442225 - Catalytic component for polymerization of .alpha.-olefin and method for (1984-04-10),

9. 4442224 - Catalytic component for polymerization of .alpha.-olefin and method for (1984-04-10),

10. 4439541 - Catalytic component for polymerization of .alpha.-olefin and method for (1984-03-27),

11. 4439539 - Catalytic component for polymerization of .alpha.-olefin and method for (1984-03-27),

12. 4434081 - Titanium trichloride catalytic component and homo- or co-polymerization (1984-02-28),

13. 4416799 - Catalytic component for polymerizing .alpha.-olefin and method for homo- (1983-11-22),

14. 4415713 - High activity supported catalytic components and method for homo- or (1983-11-15),

15. 4361498 - Titanium trichloride catalytic component and method for homo- or (1982-11-30),

Toyo Stauffer Chemical Co., Ltd. is a leading chemical manufacturing company specializing in the production of high-quality chemicals for various industries. With a commitment to innovation and excellence, we provide tailored solutions to meet our customers' needs. Our state-of-the-art facilities and experienced team ensure superior quality and reliability in all our products. Visit our website for more information.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

24 Patents

#96 in

#2,581 in Japan

#25,875 in the World

Toyo Stauffer Chemical Co., Ltd.

Forward Citations = 116

19 inventors:

Masaru Takitani (16 out of 17 patents)

Yoshikazu Takahashi (11 out of 11 patents)

Yoichi Sunada (8 out of 8 patents)

4. Shizuo Tomiyasu (7 out of 7 patents)

5. Keikichi Baba (7 out of 7 patents)

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