Inventor
SUZUKI TADAO
JP117 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
33 patentsUS5687157ANov 11, 1997
Method of recording and reproducing digital audio signal and apparatus thereof
SONY CORP154 citations99
US6072759AJun 6, 2000
Recording medium with format for preventing unauthorized copying, and reproducing apparatus for same
SONY CORP273 citations98
US6034832AMar 7, 2000
Recording medium having digital copy management data recorded therein, and recording apparatus and reproducing apparatus in which reproduction or recording operation is controlled on the basis of the digital copy management data
SONY CORP136 citations98
US6157606ADec 5, 2000
Recording apparatus, reproducing apparatus and optical recording medium
SONY CORP74 citations96
US4893193AJan 9, 1990
Disc recording medium and apparatus for playback thereof
SONY CORP75 citations96
US4089049AMay 9, 1978
Inverter circuit including transformer with shielding of undesired radiations
SONY CORP80 citations96
US4680764AJul 14, 1987
Method and apparatus for transmitting digital data
SONY CORP103 citations94
US4998252AMar 5, 1991
Method and apparatus for transmitting digital data
SONY CORP49 citations93
US4598287AJul 1, 1986
Remote control apparatus
SONY CORP42 citations93
US4363001ADec 7, 1982
Digital gain control apparatus
SONY CORP30 citations93
US4115740ASep 19, 1978
Push-pull pulse amplifier having improved turn-on and turn-off times
SONY CORP31 citations93
US4021751AMay 3, 1977
Field effect transistor amplifier
SONY CORP44 citations93
US5872755AFeb 16, 1999
Method of recording on a disc medium a ΣΔ-modulated signal with a sampling frequency times 44.1 kHz
SONY CORP24 citations92
US5856796AJan 5, 1999
Sampling rate converting method and apparatus
SONY CORP17 citations92
US5719571AFeb 17, 1998
Sampling rate converting method and apparatus
SONY CORP18 citations92
US5712838AJan 27, 1998
Method and apparatus for recording on a disk medium a ΣΔ-modulated signal with a sampling frequency n×44.1 kHz
SONY CORP20 citations92
US4707818ANov 17, 1987
Method and apparatus for recording digitized information on a disc
SONY CORP51 citations92
US3961666AJun 8, 1976
Heat dispersion device for use in an electronic apparatus
SONY CORP50 citations92
US7633045B2Dec 15, 2009
Optical device, method for producing master for use in producing optical device, and photoelectric conversion apparatus
SONY CORP15 citations90
US4249136AFeb 3, 1981
PWM Signal power amplifier
SONY CORP24 citations82
US3939435AFeb 17, 1976
Power amplifier
SONY CORP21 citations82
US4208706AJun 17, 1980
Switching regulator
SONY CORP27 citations76
US7548505B2Jun 16, 2009
Optical recording medium having a relationship between groove width and track pitch
SONY CORP7 citations74
US6986152B2Jan 10, 2006
Optical information recording medium
SONY CORP7 citations74
US4649372AMar 10, 1987
Analogue to digital converter
SONY CORP10 citations74
US4401954AAug 30, 1983
Power amplifier
SONY CORP8 citations74
US4313065AJan 26, 1982
Switching circuit with MOS field effect transistor
SONY CORP18 citations74
US4128813ADec 5, 1978
Amplifier
SONY CORP7 citations74
US4091434AMay 23, 1978
Surge current protection circuit
SONY CORP17 citations74
US4061983ADec 6, 1977
Transistor amplifier with protective circuit
SONY CORP14 citations74
US4047089ASep 6, 1977
Starting circuit for inverter
SONY CORP13 citations74
US4021748AMay 3, 1977
Amplifier with field effect transistors having triode-type dynamic characteristics
SONY CORP19 citations74
US4021746AMay 3, 1977
Transistor amplifier having field effect transistors with stabilized drain bias current
SONY CORP7 citations74
HITACHI LTD
5 patentsUS5415029AMay 16, 1995
Air flow detector for engine control unit
HITACHI LTD22 citations92
US5780735AJul 14, 1998
Air flow rate measurement apparatus
HITACHI LTD35 citations91
US4911009AMar 27, 1990
Thermal air flow meter
HITACHI LTD27 citations89
US6101869AAug 15, 2000
Air flow rate measuring device for an internal combustion engine
HITACHI LTD16 citations82
US4829814AMay 16, 1989
Hot film type air flow meter
HITACHI LTD21 citations82
DENSO CORP
3 patentsUS6274821B1Aug 14, 2001
Shock-resistive printed circuit board and electronic device including the same
DENSO CORP174 citations97
US6725064B1Apr 20, 2004
Portable terminal device with power saving backlight control
DENSO CORP97 citations93
US9438292B2Sep 6, 2016
Vehicle communication apparatus
DENSO CORP7 citations83
PHILIPS CORP
1 patentSANOFI SA
1 patentSHOKETSU KINZOKU KOGYO KK
1 patentAJINOMOTO KK
1 patentUNITIKA LTD
1 patentSHOWA DENKO KK
1 patentVERBAKEL JOHANNES M M
1 patentMITSUBISHI HEAVY IND LTD
1 patentOMRON TATEISI ELECTRONICS CO
1 patentShowing the top 50 of 117 patents by PatentIndex Score.