Asahi Kasei Microsystems Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 9101
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 7348
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 493
 
 
 
H03K PULSE TECHNIQUE 4125
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 3133
 
 
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 357
 
 
 
H03F AMPLIFIERS 379
 
 
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 373
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2437
 
 
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 176

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7786768 Waveform generating circuit and spread spectrum clock generatorFeb 27, 08Aug 31, 10[H03K]
7705921 Digital BTSC multi-channel TV sound decoder circuit, and decoder comprising sameMay 17, 06Apr 27, 10[H04H, H04N]
7560909 Power converter using extrapolative conductance mode controlNov 14, 05Jul 14, 09[G05F]
7529173 Optical disc device, circuit for optical disc device, wobble signal reproduction method, and land pre-pit signal reproduction methodMay 12, 04May 05, 09[G11B]
7372119 Cross-shaped Hall device having extensions with slitsSep 30, 02May 13, 08[H01L]
7372881 Semiconductor laser wavelength control deviceOct 08, 04May 13, 08[H01S]
7355461 Waveform generating circuit and spread spectrum clock generatorDec 14, 05Apr 08, 08[H03K]
7332944 Frequency-controllable oscillatorAug 26, 05Feb 19, 08[H03K]
7330069 Digital switching amplifierMar 08, 06Feb 12, 08[H03F]
7262662 Operational amplifierApr 18, 05Aug 28, 07[H03F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7323938 Amplifier circuit and light receiving apparatusExpiredNov 21, 05Jan 29, 08[H03F]
2006/0060,941 Polysilicon sidewall spacer lateral bipolar transistor on SOIABANAug 25, 05Mar 23, 06[H01L]
2005/0264,964 Semiconductor circuitABANMay 24, 05Dec 01, 05[H02H]
2003/0190,901 Direct conversion receiving unitABANApr 04, 03Oct 09, 03[H04B]
6441661 PLL circuitExpiredDec 28, 00Aug 27, 02[H03L]
5841750 Information playback apparatusExpiredApr 17, 97Nov 24, 98[G11B]

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