MITSUBISHI ELECTRIC SEMICONDUCTOR SYSTEMS CORPORATION

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Patent Activity in the Last 10 Years

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 8190
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 6441
 
  
 
H03K PULSE TECHNIQUE 4127
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G11C STATIC STORES 2149
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
G06G ANALOGUE COMPUTERS 152
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6185731 Real time debugger for a microcomputerSep 11, 95Feb 06, 01[G06F]
6091856 Picture encoding device for compressing picture dataJan 23, 97Jul 18, 00[H04N, G06K]
6036100 Noncontact IC cardOct 08, 97Mar 14, 00[G06K]
5991446 Image conversion deviceJul 10, 97Nov 23, 99[G06K]
5936452 Device for detecting a plurality of signal levels indicating stopping of a clock signalOct 18, 96Aug 10, 99[H03K]
5931963 Fault simulation apparatusApr 21, 97Aug 03, 99[G06F, G01R]
5905813 Image coding apparatus for compressing image dataMay 30, 97May 18, 99[9./4, G06K]
5900754 Delay control circuitSep 24, 97May 04, 99[H03K]
5901283 MicrocomputerJan 28, 97May 04, 99[G06F]
5897653 Data tracing apparatusDec 17, 96Apr 27, 99[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6501858 Image compression and expansion apparatus using a effectively modifiable quantization tableExpiredNov 10, 97Dec 31, 02[G06K]
6336181 Microcomputer having built-in serial input-output circuitExpiredJul 06, 95Jan 01, 02[G06F]
6189135 Method of generating electron-beam data for creating a maskExpiredMar 31, 00Feb 13, 01[G06F]
6076122 Microcomputer communicating analog-to-digital conversion results to central processing unitExpiredFeb 25, 97Jun 13, 00[H03M]
6063131 Emulator system and emulation methodExpiredOct 10, 97May 16, 00[G06F]
6056785 Electron-beam data generating apparatusExpiredNov 20, 97May 02, 00[G06F]
6028492 Voltage-controlled oscillator and non-contact IC card including voltage-controlled oscillatorExpiredNov 01, 96Feb 22, 00[H03B]
5982842 Output timerExpiredDec 15, 97Nov 09, 99[G01D]
5964876 Program-invocation-count measuring system, program-invocation-count measuring method, and medium for storing program-invocation-count measuring softwareExpiredNov 12, 97Oct 12, 99[G06F]
5964890 System call issue method and debug systemExpiredAug 26, 97Oct 12, 99[G06F]
5966086 Microcomputer having an output circuit with a resistor ladderExpiredSep 18, 97Oct 12, 99[H03M]
5953019 Image display controlling apparatusExpiredNov 04, 96Sep 14, 99[G06F]
5918362 Jig for dual-side mounting PC boardsExpiredJun 27, 97Jul 06, 99[H05K]
5912575 Phase-locked loop circuit with charge pump and time constant circuitExpiredFeb 27, 97Jun 15, 99[H03L]
5910807 Method of drawing figure such as polygon and display control deviceExpiredFeb 24, 97Jun 08, 99[G09G]
5907699 Microcomputer with two oscillators of different frequencies selectable by a reset signal set by an instruction or by an overflow signal of a counterExpiredNov 14, 97May 25, 99[G06F]
5905886 Emulator having single port memories for simultaneous recording and reading of measurement dataExpiredDec 08, 97May 18, 99[G06F]
5903719 Emulator apparatus and emulation method for efficiently analyzing program faultsExpiredAug 04, 97May 11, 99[G06F]
5892302 Power switching circuitExpiredOct 17, 97Apr 06, 99[H03K]
5874839 Timer apparatusExpiredJul 02, 96Feb 23, 99[G01R]

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