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Kaken Chemical Co., Ltd.

USPTO Granted Patents = 20

Forward Citations = 204

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55 inventors (with patents filed for the assignee):

Toshiyuki Yamamoto (5 out of 24 patents)

Yasuhiko Hamazaki (5 out of 5 patents)

Yukio Miyazaki (3 out of 6 patents)

4. Kazuya Sasaki (3 out of 4 patents)

5. Shozo Kawabata (3 out of 3 patents)

6. Reiko Sato (3 out of 3 patents)

7. Nobuo Ishiyama (3 out of 3 patents)

8. Kenji Seri (3 out of 3 patents)

9. Akira Ueno (2 out of 74 patents)

10. Yasuo Shiraishi (2 out of 2 patents)

11. Hajime Shibuya (2 out of 2 patents)

12. Masao Sakasai (2 out of 2 patents)

13. Akira Shibata (2 out of 2 patents)

14. Yukio Inoue (2 out of 3 patents)

15. Nobuo Takagi (1 out of 46 patents)

20 patents: Sort by Forward Citations

1. 5000953 - Biologically active substance (1991-03-19),

2. 4487762 - Antibiotic 5057B substance (1984-12-11),

3. 4394144 - Dehumidifying container (1983-07-19),

4. 4328211 - Antibiotic Actinomadura-L-31 A, B (1982-05-04),

5. 4319919 - Herbicidal composition (1982-03-16),

6. 4318923 - Benzaminoethylphenoxycyclohexylacetic acid derivatives (1982-03-09),

7. 4305956 - Miticidal method (1981-12-15),

8. 4278678 - Substituted oxy-cyclohexylacetic acid derivatives (1981-07-14),

9. 4261989 - Geldanamycin derivatives and antitumor drug (1981-04-14),

10. 4212942 - Method of producing salinomycin antibiotics (1980-07-15),

11. 4212881 - Streptovaricin C derivatives (1980-07-15),

12. 4153724 - Benzoyl phenoxy acetic acid derivatives (1979-05-08),

13. 4145444 - Anti-inflammatory agent of benzoyl derivative (1979-03-20),

14. 4138496 - SY-1 substance (1979-02-06),

15. 4124726 - Anti-inflammatory agent of benzoyl derivative (1978-11-07),

Kaken Chemical Co., Ltd. is a Japanese pharmaceutical company that specializes in the research, development, and production of innovative pharmaceuticals and health products. With a strong focus on research and collaboration, Kaken Chemical is dedicated to providing high-quality products to improve 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 30 2025

20 Patents

#1,169 in Tokyo

#2,885 in Japan

#30,346 in the World

Kaken Chemical Co., Ltd.

Forward Citations = 204

55 inventors:

Toshiyuki Yamamoto (5 out of 24 patents)

Yasuhiko Hamazaki (5 out of 5 patents)

Yukio Miyazaki (3 out of 6 patents)

4. Kazuya Sasaki (3 out of 4 patents)

5. Shozo Kawabata (3 out of 3 patents)

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