-
Eyeglasses
-
Patent number D1042611
-
Issue date Sep 17, 2024
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass lens
-
Patent number D1042610
-
Issue date Sep 17, 2024
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses structure
-
Patent number 11,353,718
-
Issue date Jun 7, 2022
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
G02 - OPTICS
-
Eyeglass frame
-
Patent number D926866
-
Issue date Aug 3, 2021
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass frame
-
Patent number D926248
-
Issue date Jul 27, 2021
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Nasal mask structure for eyeglasses
-
Patent number 10,948,741
-
Issue date Mar 16, 2021
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
Eyeglass temple
-
Patent number D906410
-
Issue date Dec 29, 2020
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses assembly structure
-
Patent number 10,345,616
-
Issue date Jul 9, 2019
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
G02 - OPTICS
-
Eyeglass frame
-
Patent number D849128
-
Issue date May 21, 2019
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D826312
-
Issue date Aug 21, 2018
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Glasses structure
-
Patent number 9,968,487
-
Issue date May 15, 2018
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
Eyeglasses
-
Patent number D807949
-
Issue date Jan 16, 2018
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D803305
-
Issue date Nov 21, 2017
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D803306
-
Issue date Nov 21, 2017
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass frame
-
Patent number D803295
-
Issue date Nov 21, 2017
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D803304
-
Issue date Nov 21, 2017
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Lens exchanging structure
-
Patent number 9,766,477
-
Issue date Sep 19, 2017
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
G02 - OPTICS
-
-
Eyeglass frame
-
Patent number D751628
-
Issue date Mar 15, 2016
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
-
Eyeglass frame
-
Patent number D731580
-
Issue date Jun 9, 2015
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass frame
-
Patent number D729864
-
Issue date May 19, 2015
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
-
Eyeglass frame
-
Patent number D647126
-
Issue date Oct 18, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass frame
-
Patent number D633550
-
Issue date Mar 1, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D633130
-
Issue date Feb 22, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D633129
-
Issue date Feb 22, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass temple
-
Patent number D632723
-
Issue date Feb 15, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglass frame
-
Patent number D632721
-
Issue date Feb 15, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
Eyeglasses
-
Patent number D631503
-
Issue date Jan 25, 2011
-
Hsien Chang Optical Industrial Co., Ltd.
-
Wen-Hsiung Chou
-
D16 - Photography and optical equipment
-
-
EYEGLASSES STRUCTURE
-
Publication number 20210247623
-
Publication date Aug 12, 2021
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
G02 - OPTICS
-
NASAL MASK STRUCTURE FOR EYEGLASSES
-
Publication number 20200192119
-
Publication date Jun 18, 2020
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
EYEGLASSES STRUCTURE
-
Publication number 20190265516
-
Publication date Aug 29, 2019
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
G02 - OPTICS
-
EYEGLASSES ASSEMBLY STRUCTURE
-
Publication number 20190079311
-
Publication date Mar 14, 2019
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
G02 - OPTICS
-
EYEGLASSES ASSEMBLY STRUCTURE
-
Publication number 20190079312
-
Publication date Mar 14, 2019
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
G02 - OPTICS
-
-
-
GLASSES STRUCTURE
-
Publication number 20170266049
-
Publication date Sep 21, 2017
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
-
LENS EXCHANGING STRUCTURE
-
Publication number 20170269375
-
Publication date Sep 21, 2017
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
G02 - OPTICS
-
-
EYEGLASSES WITHOUT USING SCREWS
-
Publication number 20140152952
-
Publication date Jun 5, 2014
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
WEN-HSIUNG CHOU
-
G02 - OPTICS
-
EYEGLASSES STRUCTURE
-
Publication number 20090059160
-
Publication date Mar 5, 2009
-
HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.
-
MEI-JYU CHEN
-
G02 - OPTICS