For the Inventor, By the Inventor

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Seiki Epson Corporation

USPTO Granted Patents = 1

Forward Citations = 10

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7 inventors (with patents filed for the assignee):

Osamu Yokoyama (1 out of 81 patents)

Takashi Takeda (1 out of 204 patents)

Masatoshi Yonekubo (1 out of 103 patents)

4. Hidefumi Sakata (1 out of 52 patents)

5. Tetsuya Seki (1 out of 3 patents)

6. Hideaki Iwano (1 out of 18 patents)

7. Shigeru Kogure (1 out of 10 patents)

1 patent: Sort by Forward Citations

1. 5436876 - Optical head and optical memory device (1995-07-25),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#5,742 in Tokyo

#15,559 in Japan

Seiki Epson Corporation

Forward Citations = 10

7 inventors:

Osamu Yokoyama (1 out of 81 patents)

Takashi Takeda (1 out of 204 patents)

Masatoshi Yonekubo (1 out of 103 patents)

4. Hidefumi Sakata (1 out of 52 patents)

5. Tetsuya Seki (1 out of 3 patents)

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