RISHO KOGYO CO., LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23B TURNING; BORING 151

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

Patent # Title Filing Date Issue Date Intl Class
6565295 Entry board for drillingMay 30, 01May 20, 03[B23B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0194,320 White Prepreg, White Laminated Plate, and Metal Foil Clad White Laminated PlateAbandonedMay 10, 06Aug 06, 09[H05K, B32B]
5116440 Process for manufacturing multilayer printed wiring boardExpiredFeb 06, 90May 26, 92[B32B]
4881149 Molded capacitorExpiredOct 12, 88Nov 14, 89[H01G]
4766371 Test board for semiconductor packagesExpiredJun 19, 86Aug 23, 88[G01R, H05K]
4683253 Resin molding compound for sealing electronic partsExpiredFeb 12, 86Jul 28, 87[C08K]
4670814 High-tension capacitorExpiredNov 12, 85Jun 02, 87[H01G]
4654751 High-tension capacitorExpiredJul 15, 85Mar 31, 87[H01G]

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!.