Viscodrive Japan Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10M LUBRICATING COMPOSITIONS 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5374363 Viscous coupling fluidsNov 17, 93Dec 20, 94[C10M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6095923 Propeller shaftExpiredApr 22, 98Aug 01, 00[F16D]
5616096 Differential gear unitExpiredAug 17, 95Apr 01, 97[F16H]
4983150 Differential gear apparatus with differential limitation mechanismExpiredOct 12, 89Jan 08, 91[F16H]
4981192 Power transmission apparatusExpiredMar 13, 89Jan 01, 91[B60K]
4953205 Flickering device for telephone setsExpiredJun 01, 89Aug 28, 90[H04M]
4940123 Viscous couplingExpiredApr 10, 89Jul 10, 90[F16D]
4899859 Power transmission apparatusExpiredNov 02, 88Feb 13, 90[B60K]

Top Inventors for This Owner

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