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For the Inventor, By the Inventor

Tokyo, Japan

Winx Corporation


USPTO Granted Patents = 1

Forward Citations = 14

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2 inventors (with patents filed for the assignee):

goldMedal Masaaki Oka (1 out of 53 patents)

silverMedal Toshiyuki Hiroi (1 out of 24 patents)


1 patent:

1. 6157384 - Apparatus and method for drawing (2000-12-05),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#6,083 in Tokyo

#15,722 in Japan

Tokyo, JP
Tokyo, Japan

Winx Corporation

Forward Citations = 14

2 inventors:

goldMedal Masaaki Oka (1 out of 53 patents)

silverMedal Toshiyuki Hiroi (1 out of 24 patents)

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