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Naoki Tsuji
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Contact lens and method for manufacturing the same
Patent number
11,231,598
Issue date
Jan 25, 2022
Hoya Corporation
Yohei Sawada
G02 - OPTICS
Information
Patent Grant
Toric contact lens and method for manufacturing the same
Patent number
8,668,332
Issue date
Mar 11, 2014
Hoya Corporation
Takaharu Nakajima
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
CONTACT LENS AND METHOD FOR MANUFACTURING THE SAME
Publication number
20190317337
Publication date
Oct 17, 2019
HOYA CORPORATION
Yohei SAWADA
G02 - OPTICS
Information
Patent Application
TORIC CONTACT LENS AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120242952
Publication date
Sep 27, 2012
HOYA CORPORATION
Takaharu Nakajima
G02 - OPTICS