For the Inventor, By the Inventor

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Kanagawa, Japan

Hitachi Machinery and Engineering, Ltd.

USPTO Granted Patents = 1

Forward Citations = 1

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11 inventors (with patents filed for the assignee):

Hiroshi Satoh (1 out of 31 patents)

Yasuo Fujitani (1 out of 5 patents)

Katsumoto Otake (1 out of 9 patents)

4. Shigeo Oda (1 out of 2 patents)

5. Yoshio Sumiya (1 out of 3 patents)

6. Takuya Sasaki (1 out of 5 patents)

7. Tokunori Matsushima (1 out of 1 patent)

8. Keizo Ishida (1 out of 2 patents)

9. Hideki Kon (1 out of 1 patent)

10. Makoto Yanagihara (1 out of 1 patent)

11. Toshihiko Kaneko (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 5251690 - Apparatus for collecting cleaning bodies for tubular heat exchanger (1993-10-12),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#473 in Kanagawa

#15,596 in Japan

Kanagawa, Japan

Hitachi Machinery and Engineering, Ltd.

Forward Citations = 1

11 inventors:

Hiroshi Satoh (1 out of 31 patents)

Yasuo Fujitani (1 out of 5 patents)

Katsumoto Otake (1 out of 9 patents)

4. Shigeo Oda (1 out of 2 patents)

5. Yoshio Sumiya (1 out of 3 patents)

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