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For the Inventor, By the Inventor

Tokyo, Japan

Kabushiki Kaisha Tsumura Juntendo


USPTO Granted Patents = 3

Forward Citations = 43

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12 inventors (with patents filed for the assignee):

goldMedal Itsuo Nishioka (1 out of 4 patents)

silverMedal Satoshi Hirano (1 out of 1 patent)

bronzeMedal Jusha Tsumura (1 out of 1 patent)

4.  Izumi Imaseki (1 out of 1 patent)

5.  Yoshimi Kawasaki (1 out of 1 patent)

6.  Shoji Yahara (1 out of 2 patents)

7.  Takeshi Nishiyori (1 out of 2 patents)

8.  Akihide Kooda (1 out of 2 patents)

9.  Ueki Showa (1 out of 1 patent)

10.  Fujiwara Michihiro (1 out of 1 patent)

11.  Nonaka Genichiro (1 out of 1 patent)

12.  Nishioka Itsuo (1 out of 1 patent)


3 patents:

1. 4806659 - Tannin compounds (1989-02-21),
2. 4537996 - Hydroxybiphenyl compounds (1985-08-27),
3. 3935130 - Detergent composition for cleaning bathtubs (1976-01-27),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3,263 in Tokyo

#8,771 in Japan

...
Tokyo, Japan

Kabushiki Kaisha Tsumura Juntendo

Forward Citations = 43

12 inventors:

goldMedal Itsuo Nishioka (1 out of 4 patents)

silverMedal Satoshi Hirano (1 out of 1 patent)

bronzeMedal Jusha Tsumura (1 out of 1 patent)

4.  Izumi Imaseki (1 out of 1 patent)

5.  Yoshimi Kawasaki (1 out of 1 patent)

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