For the Inventor, By the Inventor

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Yokohama, Japan

Hitachi Video Information System, Inc.

USPTO Granted Patents = 1

Forward Citations = 40

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6 inventors (with patents filed for the assignee):

Kenji Katsumata (1 out of 44 patents)

Haruki Takata (1 out of 18 patents)

Shigeru Hirahata (1 out of 31 patents)

4. Sunao Suzuki (1 out of 10 patents)

5. Mituo Konno (1 out of 2 patents)

6. Kouichi Ishibashi (1 out of 3 patents)

1 patent: Sort by Forward Citations

1. 5343238 - Wide-screen television receiver with aspect ratio conversion function (1994-08-30),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#171 in Yokohama

#15,559 in Japan

Yokohama, Japan

Hitachi Video Information System, Inc.

Forward Citations = 40

6 inventors:

Kenji Katsumata (1 out of 44 patents)

Haruki Takata (1 out of 18 patents)

Shigeru Hirahata (1 out of 31 patents)

4. Sunao Suzuki (1 out of 10 patents)

5. Mituo Konno (1 out of 2 patents)

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