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For the Inventor, By the Inventor

Tokyo, Japan

Hoya Information System Corporation


USPTO Granted Patents = 2

Forward Citations = 28

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2 inventors (with patents filed for the assignee):

goldMedal Shuichi Sato (2 out of 23 patents)

silverMedal Takashi Igarashi (2 out of 25 patents)


2 patents:

1. 5615486 - Apparatus for measuring the shape of a frame of spectacles (1997-04-01),
2. 5515612 - Apparatus for measuring the shape of a frame of spectacles (1996-05-14),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#4,360 in Tokyo

#11,121 in Japan

Tokyo, JP
Tokyo, Japan

Hoya Information System Corporation

Forward Citations = 28

2 inventors:

goldMedal Shuichi Sato (2 out of 23 patents)

silverMedal Takashi Igarashi (2 out of 25 patents)

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