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For the Inventor, By the Inventor

Tokyo, Japan

R & D Office Makoto Ltd.


USPTO Granted Patents = 2

Forward Citations = 10

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1 inventor (with patents filed for the assignee):

goldMedal Makoto Ikeda (2 out of 3 patents)


2 patents:

1. 4256312 - Turn table device for record players (1981-03-17),
2. D257534 - Tone-arm (1980-11-18),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#4,062 in Tokyo

#10,962 in Japan

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Tokyo, Japan

R & D Office Makoto Ltd.

Forward Citations = 10

1 inventor:

goldMedal Makoto Ikeda (2 out of 3 patents)

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