YUHSHIN U.S.A. LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24D TOOLS FOR GRINDING, BUFFING, OR SHARPENING 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5908476 Abrasive tape and method of producing the sameOct 03, 97Jun 01, 99[B24D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6637245 Methods of making key assembliesExpiredOct 29, 01Oct 28, 03[E05B]
6308542 Key assemblies and methods of making sameExpiredOct 09, 97Oct 30, 01[E05B]
5931035 Cylinder type lock arrangementExpiredFeb 14, 96Aug 03, 99[E05B]

Top Inventors for This Owner

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