Siemens Corporate Research & Support, Inc.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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Expired/Abandoned/Withdrawn Patents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
4890383 Method for producing displays and modular componentsExpiredApr 14, 89Jan 02, 90[H01L, H05B]
4861991 Electron storage source for electron beam testersExpiredSep 30, 88Aug 29, 89[H01T]
4859632 Method for manufacturing the sameExpiredDec 28, 87Aug 22, 89[H01L]
4855797 Modulation doped high electron mobility transistor with n-i-p-i structureExpiredJul 06, 87Aug 08, 89[H01L]
4774555 Power hemt structureExpiredAug 07, 87Sep 27, 88[H01L]
4696032 Voice switched gain systemExpiredFeb 26, 85Sep 22, 87[H04M, H04R]
D291308 Telephone set baseExpiredAug 12, 85Aug 11, 87[]
4677302 Optical system for inspecting printed circuit boards wherein a ramp filter is disposed between reflected beam and photodetectorExpiredMar 29, 85Jun 30, 87[G01N]
4667354 Tilting upper body support patient trolleyExpiredFeb 14, 80May 26, 87[A61G]
4650998 Highly aligned optical deviceExpiredDec 10, 84Mar 17, 87[H01J]
4644381 I.sup.2 L heterostructure bipolar transistors and method of making the sameExpiredApr 08, 85Feb 17, 87[H03K, H01L]
4633388 On-chip microprocessor instruction decoder having hardware for selectively bypassing on-chip circuitry used to decipher encrypted instruction codesExpiredJan 18, 84Dec 30, 86[H04L, G06F]
4611320 Programmable testing analyzerExpiredMay 21, 84Sep 09, 86[H04J]
4608638 Apparatus for accumulating and permanently storing statistical informationExpiredOct 21, 83Aug 26, 86[G06F]
4603366 High-speed voltage-sensitive circuit breakerExpiredJul 12, 84Jul 29, 86[H02H]
4601033 Circuit testing apparatus employing signature analysisExpiredJan 16, 84Jul 15, 86[G06F]
4598257 Clock pulse signal generator systemExpiredMay 31, 83Jul 01, 86[H03L]
4598401 Circuit testing apparatus employing signature analysisExpiredJun 25, 84Jul 01, 86[G06F]
4586195 Microphone range finderExpiredJun 25, 84Apr 29, 86[H04R]
4567539 Power interruption and brownout detectorExpiredMar 23, 84Jan 28, 86[H02H]

View all patents..

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!.