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For the Inventor, By the Inventor

Tokyo, Japan

Sony Corportation


USPTO Granted Patents = 3

% Expired Patents = 66.7

Forward Citations = 6

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7 inventors (with patents filed for the assignee):

goldMedal Kazuyuki Takahashi (1 out of 106 patents)

silverMedal Seiji Kobayashi (1 out of 230 patents)

bronzeMedal Koji Miura (1 out of 43 patents)

4.  Tatsuya Oiwa (1 out of 11 patents)

5.  Kimihiro Saito (1 out of 83 patents)

6.  Yojiro Sumi (1 out of 3 patents)

7.  Tsutomu Toyoguchi (1 out of 10 patents)


3 patents:

1. 9946145 - Illumination unit, projection type display unit, and direct view type display unit (2018-04-17),
2. 8488430 - Recording medium and reproducing apparatus (2013-07-16),
3. 5596561 - Shifting device and loading device for disc-shaped recording medium (1997-01-21),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#3,541 in Tokyo

#8,915 in Japan

Tokyo, JP
Tokyo, Japan

Sony Corportation

Forward Citations = 6

7 inventors:

goldMedal Kazuyuki Takahashi (1 out of 106 patents)

silverMedal Seiji Kobayashi (1 out of 230 patents)

bronzeMedal Koji Miura (1 out of 43 patents)

4.  Tatsuya Oiwa (1 out of 11 patents)

5.  Kimihiro Saito (1 out of 83 patents)

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