ULRICH ELECTRONIC GMBH

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5189658 Device for recording information on an optical data carrierMar 27, 91Feb 23, 93[G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6313856 Device for thermal application of information and information carrierExpiredJul 23, 99Nov 06, 01[B41J]

Top Inventors for This Owner

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