HSIEN CHANG OPTICAL INDUSTRIAL CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1606 OPTICAL ARTICLES2213
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 643
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D807949 EyeglassesAug 19, 16Jan 16, 18[1606]
D803295 Eyeglass frameJul 15, 16Nov 21, 17[1606]
D803304 EyeglassesJul 15, 16Nov 21, 17[1606]
D803305 EyeglassesJul 27, 16Nov 21, 17[1606]
D803306 EyeglassesJul 27, 16Nov 21, 17[1606]
9766477 Lens exchanging structureMar 18, 16Sep 19, 17[G02C]
9766480 Assembled structure of main spectacle frame and assistant lens frameMar 18, 16Sep 19, 17[G02C]
D751628 Eyeglass frameMar 13, 15Mar 15, 16[1606]
9279998 Assembly structure for eyeglass lensFeb 18, 14Mar 08, 16[G02C]
D731580 Eyeglass frameJan 30, 13Jun 09, 15[1606]

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Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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