POWER INNOVATIONS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 3359

Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5955750 Four-region (PNPN) semiconductor deviceAug 30, 95Sep 21, 99[H01L]
5401984 Semiconductor component for transient voltage limitingDec 10, 93Mar 28, 95[H01L]
5304823 An equipment protection semiconductor integrated circuitSep 08, 92Apr 19, 94[H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6603155 Overvoltage protection deviceExpiredApr 04, 02Aug 05, 03[H01L]
2003/0102,505 Overvoltage protection deviceAbandonedNov 27, 02Jun 05, 03[H01L]
2002/0075,619 Overvoltage protection circuit`AbandonedDec 18, 01Jun 20, 02[H02H]
2002/0075,623 Modem protection circuitAbandonedDec 18, 01Jun 20, 02[H02H]
6093955 Power semiconductor deviceExpiredAug 07, 95Jul 25, 00[H01L]
5883775 Overvoltage protectorExpiredJul 28, 95Mar 16, 99[H01C]
5838057 Transistor switchesExpiredAug 03, 94Nov 17, 98[H01L, H01H]
5623215 Testing of semiconductor devicesExpiredMay 08, 96Apr 22, 97[G01R]
5429953 Method of forming solid state suppressors with concave and diffused substitution regionsExpiredJun 11, 93Jul 04, 95[H01L]
5418834 Maintenance termination unitsExpiredSep 10, 93May 23, 95[H04M, H03K, H01L]
5359210 Integrated circuitExpiredOct 27, 92Oct 25, 94[H01L]
5317172 PNPN semiconductor device capable of supporting a high rate of current change with timeExpiredJun 11, 92May 31, 94[H01L]
5285100 Semiconductor switching deviceExpiredDec 04, 92Feb 08, 94[H01L]
5161183 Overvoltage protection circuitsExpiredSep 21, 89Nov 03, 92[H04M, H02H]
5001537 Semiconductor device for electrical overstress protectionExpiredJun 08, 88Mar 19, 91[H01L]
4967256 Overvoltage protectorExpiredJul 08, 88Oct 30, 90[H01L]
4673844 Starter circuit for a fluorescent tube lampExpiredSep 30, 85Jun 16, 87[H05B]
4629944 Starter circuit for a fluorescent tube lampExpiredFeb 29, 84Dec 16, 86[H05B]

Top Inventors for This Owner

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