KABUSHIKI KAISHA RIKEN, A CORP. OF JAPAN
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 06, 1993 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 81 Total Citation Count
- May 13, 1981 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
| Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4985117 Method of manufacturing josephson junctionsExpiredJan 01, 90Jan 15, 91[C23C, B05D, C23F, B44C]
4747602 Synthetic resin sealing ring assembly with metal film layerExpiredJun 10, 87May 31, 88[F16J]
4393981 Apparatus for supplying a predetermined number of piston rings to a work stationExpiredMay 13, 81Jul 19, 83[B65G]
Top Inventors for This Owner
| Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.