P

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 patents
US5687157ANov 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 patents

DENSO CORP

3 patents

PHILIPS CORP

1 patent

SANOFI SA

1 patent

SHOKETSU KINZOKU KOGYO KK

1 patent

AJINOMOTO KK

1 patent

UNITIKA LTD

1 patent

SHOWA DENKO KK

1 patent

VERBAKEL JOHANNES M M

1 patent

MITSUBISHI HEAVY IND LTD

1 patent

OMRON TATEISI ELECTRONICS CO

1 patent

Showing the top 50 of 117 patents by PatentIndex Score.