IXYS INTL LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 57390
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 27335
 
  
 
H04B TRANSMISSION 24186
 
  
 
H03K PULSE TECHNIQUE 20111
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 14271
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 10149
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 10101
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 9233
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 872
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 7144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9542212 Loading a machine code API onto an 8-bit virtual machine to enable new functionalityFeb 09, 15Jan 10, 17[H04L, H04N, G08C, G06F]
9436466 Blank bit and processor instructions employing the blank bitApr 08, 14Sep 06, 16[G06F]
9433067 Dimming a multi-lamp fluorescent light fixture by turning off an individual lamp using a wireless fluorescent lamp starterOct 03, 09Aug 30, 16[H05B]
9324072 Bit-flipping memory controller to prevent SRAM data remanenceAug 22, 08Apr 26, 16[G06Q, G06F]
9287985 Recovering energy from an IrDA/remote control transmitter circuitOct 27, 13Mar 15, 16[H05B, H04B]
9288874 Turning off multiple fluorescent lamps simultaneously using RF-enabled lamp starter unitsOct 03, 09Mar 15, 16[H05B]
9155167 Registering a replaceable RF-enabled fluorescent lamp starter unit to a master unitOct 01, 09Oct 06, 15[H05B]
9048949 Controlling transmission power in an IrDA/RC transmitter circuitAug 24, 13Jun 02, 15[H04B]
8952840 Loading a machine code API onto an 8-bit virtual machine to enable new functionalityApr 22, 08Feb 10, 15[H04L]
8847531 Sample and hold time stamp for sensing zero crossing of back electromotive force in 3-phase brushless DC motorsJan 11, 13Sep 30, 14[H02P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5231590 Technique for modifying an integrated circuit layoutExpiredOct 13, 89Jul 27, 93[G06F]
5230058 IC chip having volatile memory cells simultaneously loaded with initialization data from uniquely associated non-volatile memory cells via switching transistorsExpiredMay 08, 90Jul 20, 93[G06F]
5222218 System with devices connected in sequence to receive information in a predetermined orderExpiredJun 27, 90Jun 22, 93[G06F]
5187686 Control circuit having outputs with differing rise and fall timesExpiredFeb 14, 90Feb 16, 93[H03K, G11C]
5175831 System register initialization technique employing a non-volatile/read only memoryExpiredDec 05, 89Dec 29, 92[G06F]

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