SEMICONDUCTOR COMPONENTS INDUSTRIES OF RHODE ISLAND, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 397
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5428287 Thermally matched current limit circuitSep 12, 94Jun 27, 95[G05F, H02H]
5343141 Transistor overcurrent protection circuitJun 09, 92Aug 30, 94[G05F, H02H]
5341038 Error detector circuit for indication of low supply voltageJan 27, 92Aug 23, 94[H03K]
5266884 Threshold controlled circuit with ensured hysteresis precedenceMay 04, 92Nov 30, 93[G05F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5192901 Short circuit protectionExpiredMar 16, 90Mar 09, 93[H02K]
5034705 Power up and oscillator circuit using a single capacitorExpiredMay 30, 90Jul 23, 91[H03K]
5015942 Positive temperature coefficient current source with low power dissipationExpiredJun 07, 90May 14, 91[G09G, G05F]
5006975 Power factor correction circuitExpiredNov 03, 89Apr 09, 91[H02M]
4999527 One-spot multivibratorExpiredMay 25, 89Mar 12, 91[H03K]
4931750 Voltage controlled oscillatorExpiredMay 25, 89Jun 05, 90[H03K]
4928200 Overcurrent protection for switching mode power converterExpiredOct 06, 87May 22, 90[H02H]
4916332 Timing and supply bias circuit using one capacitorExpiredMar 21, 89Apr 10, 90[H03K]
4887022 Under voltage lockout circuit for switching mode power supplyExpiredJun 01, 89Dec 12, 89[G05F]
4885525 Voltage controllable current sourceExpiredApr 26, 89Dec 05, 89[G05F]
4866311 Multi-function circuit with double ended charging systemExpiredMar 24, 88Sep 12, 89[H03K, G06G]
4820935 Multiple function driver circuitExpiredFeb 05, 88Apr 11, 89[H02V]
4819122 Over-current timer modulatorExpiredApr 02, 87Apr 04, 89[H02H]
4791315 Cross-coupled latchExpiredJun 04, 87Dec 13, 88[H03K]
4779062 Short circuit current limiterExpiredMar 24, 87Oct 18, 88[H02H]
4740742 Voltage regulator start-up circuitExpiredApr 02, 87Apr 26, 88[G05F]
4721867 High speed logic gate with simulated open collector outputExpiredApr 16, 86Jan 26, 88[H03K]
4720689 High frequency precision oscillator with synchronous capabilityExpiredFeb 10, 87Jan 19, 88[H03K]
4719559 Current-mode control of capacitively coupled power convertersExpiredOct 22, 86Jan 12, 88[H02M]
4679006 50% duty cycle relaxation oscillator with latch-up prevention circuitExpiredMay 14, 86Jul 07, 87[H03K]

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