Sansui Electric Co., Ltd.

Organization

Tokyo, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Diaphragm for speaker
- Patent number 5,206,466
- Issue date Apr 27, 1993
- Sansui Electric Co., Ltd.
- Tatsuya Inamiya
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
PCM transmission system
- Patent number 4,759,038
- Issue date Jul 19, 1988
- Sansui Electric Co., Ltd.
- Susumu Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereo transmission method and apparatus
- Patent number 4,716,590
- Issue date Dec 29, 1987
- Sansui Electric Co., Ltd.
- Susumu Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Near-instantaneous companding PCM involving accumulation of less si...
- Patent number 4,633,483
- Issue date Dec 30, 1986
- Sansui Electric Co., Ltd.
- Susumu Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Relative velocity control device for magnetic recording and reprodu...
- Patent number 4,626,936
- Issue date Dec 2, 1986
- Sansui Electric Co., Ltd.
- Kazuo Yoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital waveform shaping circuit
- Patent number 4,585,952
- Issue date Apr 29, 1986
- Sansui Electric Co., Ltd.
- Takaaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Read clock producing system
- Patent number 4,580,278
- Issue date Apr 1, 1986
- Sansui Electric Co., Ltd.
- Takaaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal reconstruction circuit for digital signals
- Patent number 4,546,394
- Issue date Oct 8, 1985
- Sansui Electric Co., Ltd.
- Takaaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Amplifier circuit driven by ground isolated power supply
- Patent number 4,517,528
- Issue date May 14, 1985
- Sansui Electric Co., Ltd.
- Susumu Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Record player with vibration cancellation mechanism
- Patent number 4,475,185
- Issue date Oct 2, 1984
- Sansui Electric Co., Ltd.
- Kazuyuki Fujio
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual turntable record player with torque cancellation
- Patent number 4,425,638
- Issue date Jan 10, 1984
- Sansui Electric Co., Ltd.
- Masao Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Bias circuit for use in a single-ended push-pull circuit
- Patent number 4,401,951
- Issue date Aug 30, 1983
- Sansui Electric Co., Ltd.
- Susumu Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion correction circuit for a power amplifier
- Patent number 4,367,442
- Issue date Jan 4, 1983
- Sansui Electric Co., Ltd.
- Susumu Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System for transmission and reception of discrete four channel stereo
- Patent number 4,282,401
- Issue date Aug 4, 1981
- Sansui Electric Company
- Susumu Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Differential amplifiers
- Patent number 4,229,705
- Issue date Oct 21, 1980
- Sansui Electric Co., Ltd.
- Susumu Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Protection circuit for power amplifier
- Patent number 4,216,517
- Issue date Aug 5, 1980
- Sansui Electric Co., Ltd.
- Shinobu Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Combined amplifier and tuner
- Patent number D255683
- Issue date Jul 1, 1980
- Sansui Electric Co., Ltd.
- Akira Kato
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Head phone
- Patent number D254616
- Issue date Apr 1, 1980
- Sansui Electric Co., Ltd.
- Hiroshi Tabata
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Coupling an outer antenna with a radio receiver having a bar antenna
- Patent number 4,193,076
- Issue date Mar 11, 1980
- Sansui Electric Co. Ltd.
- Ryosuke Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Moving magnet type pickup cartridge
- Patent number 4,177,360
- Issue date Dec 4, 1979
- Sansui Electric Co., Ltd.
- Yasuhiro Fujimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control knob for audio apparatus
- Patent number D253289
- Issue date Oct 30, 1979
- Sansui Electric Co., Ltd.
- Akira Kato
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Speaker box with removable grill
- Patent number D253109
- Issue date Oct 9, 1979
- Sansui Electric Co., Ltd.
- Takashi Kashidaira
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Stereo signal demodulating circuits
- Patent number 4,167,650
- Issue date Sep 11, 1979
- Sansui Electric Co., Ltd.
- Kazutoshi Kusano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Record player
- Patent number D252393
- Issue date Jul 17, 1979
- Sansui Electric Co., Ltd.
- Takashi Kashidaira
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Brushless DC motors
- Patent number 4,158,795
- Issue date Jun 19, 1979
- Sansui Electric Co., Ltd.
- Kenkichi Tarumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Negative feedback amplifiers of PWM-type
- Patent number 4,144,502
- Issue date Mar 13, 1979
- Sansui Electric Co., Ltd.
- Yuji Ikeda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stabilized DC power supply devices for providing a plurality of DC...
- Patent number 4,144,463
- Issue date Mar 13, 1979
- Sansui Electric Co., Ltd.
- Naokatsu Sugiura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Loudspeaker device
- Patent number 4,139,075
- Issue date Feb 13, 1979
- Sansui Electric Co., Ltd.
- Fumio Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone arm
- Patent number D251003
- Issue date Feb 6, 1979
- Sansui Electric Co., Ltd.
- Kazuhito Ohtomo
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Power amplifier circuits
- Patent number 4,135,162
- Issue date Jan 16, 1979
- Sansui Electric Co., Ltd.
- Susumu Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73685903 - SANSUI
- Serial number 73685903
- Registration number 1655516
- Filing date Sep 23, 1987
- Sansui Electric Co., Ltd.
- 15 - Musical instruments
Information Trademark
73668254
- Serial number 73668254
- Filing date Jun 23, 1987
- SANSUI ELECTRIC CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73668255 - SANSUI
- Serial number 73668255
- Registration number 1489967
- Filing date Jun 23, 1987
- SANSUI ELECTRIC CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73668256
- Serial number 73668256
- Filing date Jun 23, 1987
- Sansui Electric Co., Ltd.
- 15 - Musical instruments
Information Trademark
73665141 - SANSUI
- Serial number 73665141
- Registration number 1655515
- Filing date Jun 8, 1987
- Sansui Electric Co., Ltd.
- 15 - Musical instruments
Information Trademark
73602670 - QS VARIO MATRIX
- Serial number 73602670
- Filing date Jun 6, 1986
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73512415 - CLASSIQUE
- Serial number 73512415
- Filing date Dec 6, 1984
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73481612 - VINTAGE
- Serial number 73481612
- Registration number 1396511
- Filing date May 22, 1984
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73411040 - TRICODEPCM
- Serial number 73411040
- Registration number 1293992
- Filing date Jan 26, 1983
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73331150 - SP-X
- Serial number 73331150
- Registration number 1271575
- Filing date Oct 5, 1981
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73289245 - SUPER FF
- Serial number 73289245
- Registration number 1177041
- Filing date Dec 10, 1980
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73277330 - PURE POWER
- Serial number 73277330
- Registration number 1184560
- Filing date Sep 8, 1980
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73234013 - SUPER COMPO
- Serial number 73234013
- Registration number 1184508
- Filing date Oct 4, 1979
- Sansui Electric Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73142852 - SANSUI CLASSIQUE SERIES
- Serial number 73142852
- Registration number 1107861
- Filing date Sep 28, 1977
- SANSUI ELECTRIC CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73112843 - DIRECT-O-MATIC
- Serial number 73112843
- Registration number 1085921
- Filing date Jan 19, 1977
- SANSUI ELECTRIC CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73045375 - QS VARIO-MATRIX
- Serial number 73045375
- Registration number 1088547
- Filing date Feb 27, 1975
- SANSUI ELECTRIC CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72449702 - QS REGULAR MATRIX
- Serial number 72449702
- Registration number 1014951
- Filing date Feb 26, 1973
- SANSUI ELECTRIC CO. LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72239664 - SANSUI
- Serial number 72239664
- Registration number 837474
- Filing date Feb 25, 1966
- SANSUI ELECTRIC COMPANY LIMITED
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Sansui Electric Co., Ltd.

Organization

Patents Grantslast 30 patents

Diaphragm for speaker

PCM transmission system

AM stereo transmission method and apparatus

Near-instantaneous companding PCM involving accumulation of less si...

Relative velocity control device for magnetic recording and reprodu...

Digital waveform shaping circuit

Read clock producing system

Signal reconstruction circuit for digital signals

Amplifier circuit driven by ground isolated power supply

Record player with vibration cancellation mechanism

Dual turntable record player with torque cancellation

Bias circuit for use in a single-ended push-pull circuit

Distortion correction circuit for a power amplifier

System for transmission and reception of discrete four channel stereo

Differential amplifiers

Protection circuit for power amplifier

Combined amplifier and tuner

Head phone

Coupling an outer antenna with a radio receiver having a bar antenna

Moving magnet type pickup cartridge

Control knob for audio apparatus

Speaker box with removable grill

Stereo signal demodulating circuits

Record player

Brushless DC motors

Negative feedback amplifiers of PWM-type

Stabilized DC power supply devices for providing a plurality of DC...

Loudspeaker device

Tone arm

Power amplifier circuits

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

73685903 - SANSUI

73668254

73668255 - SANSUI

73668256

73665141 - SANSUI

73602670 - QS VARIO MATRIX

73512415 - CLASSIQUE

73481612 - VINTAGE

73411040 - TRICODEPCM

73331150 - SP-X

73289245 - SUPER FF

73277330 - PURE POWER

73234013 - SUPER COMPO

73142852 - SANSUI CLASSIQUE SERIES

73112843 - DIRECT-O-MATIC

73045375 - QS VARIO-MATRIX

72449702 - QS REGULAR MATRIX

72239664 - SANSUI