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Kawasaki-shi, Japan

Hirama Rika Kenkyujo Ltd.

USPTO Granted Patents = 2

Forward Citations = 7

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7 inventors (with patents filed for the assignee):

Shu Ogawa (2 out of 14 patents)

Toshimoto Nakagawa (2 out of 9 patents)

Kouzo Tsukada (2 out of 3 patents)

4. Yoshitaka Nishijima (1 out of 2 patents)

5. Takahiro Houzan (1 out of 2 patents)

6. Shinichiro Shiotsu (1 out of 2 patents)

7. Yoshitaka Sato (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5896874 - Apparatus for controlling resist stripping solution (1999-04-27),

2. 5671760 - Apparatus for controlling resist stripping solution (1997-09-30),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#23 in Kawasaki-shi

#10,966 in Japan

Kawasaki-shi, Japan

Hirama Rika Kenkyujo Ltd.

Forward Citations = 7

7 inventors:

Shu Ogawa (2 out of 14 patents)

Toshimoto Nakagawa (2 out of 9 patents)

Kouzo Tsukada (2 out of 3 patents)

4. Yoshitaka Nishijima (1 out of 2 patents)

5. Takahiro Houzan (1 out of 2 patents)

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