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For the Inventor, By the Inventor

Kanagawa, Japan

Ulvac Service Corporation


USPTO Granted Patents = 2

Forward Citations = 6

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11 inventors (with patents filed for the assignee):

goldMedal Toru Yunoki (2 out of 3 patents)

silverMedal Masashi Kobayashi (1 out of 20 patents)

bronzeMedal Kazuyasu Kawashima (1 out of 6 patents)

4.  Shinya Okuyama (1 out of 2 patents)

5.  Kazuo Hiraizumi (1 out of 5 patents)

6.  Kozo Shirato (1 out of 9 patents)

7.  Satoshi Shinohara (1 out of 1 patent)

8.  Yasuo Koyama (1 out of 1 patent)

9.  Yoshio Yamamoto (1 out of 1 patent)

10.  Akira Takeya (1 out of 1 patent)

11.  Minoru Tanaka (1 out of 1 patent)


2 patents:

1. 4680552 - Apparatus for measuring impurities in super-pure water without exposure (1987-07-14),
2. 4670138 - Apparatus for controlling an infinitesimal flow rate of fluid (1987-06-02),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#354 in Kanagawa

#10,975 in Japan

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Kanagawa, Japan

Ulvac Service Corporation

Forward Citations = 6

11 inventors:

goldMedal Toru Yunoki (2 out of 3 patents)

silverMedal Masashi Kobayashi (1 out of 20 patents)

bronzeMedal Kazuyasu Kawashima (1 out of 6 patents)

4.  Shinya Okuyama (1 out of 2 patents)

5.  Kazuo Hiraizumi (1 out of 5 patents)

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