HI

Hisashi Ikawa

TC Tokai Optical Co.: 1 patents #22 of 44Top 50%
Overall (All Time): #2,798,506 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10688739 Spectacle lens manufacturing system Hiroaki Watanabe, Atsushi Nagao, Shingo Ono, Hiroshi Ueno 2020-06-23