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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Deflection yoke apparatus with means for reducing unwanted radiation
Patent number
4,853,588
Issue date
Aug 1, 1989
Denki Onkyo Co., Ltd.
Shinji Ohtsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Saturable reactor for use in self-convergence system fo deflection...
Patent number
4,833,432
Issue date
May 23, 1989
Denki Onkyo Co., Ltd.
Shinji Ohtsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke apparatus with compensation magnetic field generati...
Patent number
4,788,470
Issue date
Nov 29, 1988
Denki Onkyo Company Limited
Keiji Kohzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke having a function for adjusting deflection field
Patent number
4,636,693
Issue date
Jan 13, 1987
Denki Onkyo Company Limited
Sadayoshi Saruta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Deflection yoke apparatus
Patent number
4,547,707
Issue date
Oct 15, 1985
Denki Onkyo Company Limited
Koji Yabase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Convergence apparatus for color cathode-ray tube
Patent number
4,405,910
Issue date
Sep 20, 1983
Denki Onkyo Company Limited
Shinji Ohtsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke
Patent number
4,386,331
Issue date
May 31, 1983
Denki Onkyo Co., Ltd.
Keiji Kohzuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke
Patent number
4,378,544
Issue date
Mar 29, 1983
Denki Onkyo Co., Ltd.
Koji Yabase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke apparatus with convergence device for in-line color...
Patent number
4,267,541
Issue date
May 12, 1981
Denki Onkyo Co., Ltd.
Tatsuichi Narikiyo
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flyback transformer having terminal pins for connection to printed...
Patent number
4,246,636
Issue date
Jan 20, 1981
Denki Onkyo Co., Ltd.
Junichiro Kawamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection coil
Patent number
4,243,965
Issue date
Jan 6, 1981
Denki Onkyo Co., Ltd.
Norio Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid level sensing means
Patent number
4,227,171
Issue date
Oct 7, 1980
Denki Onkyo Co., Ltd.
Noboru Masuda
G01 - MEASURING TESTING
Information
Patent Grant
Liquid level sensing means
Patent number
4,217,779
Issue date
Aug 19, 1980
Denki Onkyo Co., Ltd.
Noboru Masuda
G01 - MEASURING TESTING
Information
Patent Grant
Flyback transformer
Patent number
4,204,263
Issue date
May 20, 1980
Denki Onkyo Co., Ltd.
Shoji Onoue
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Deflection coil
Patent number
4,181,908
Issue date
Jan 1, 1980
Denki Onkyo Co., Ltd.
Norio Yoshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke
Patent number
4,175,261
Issue date
Nov 20, 1979
Denki Onkyo Co., Ltd.
Eiji Sawada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flyback transformer with high tension connector
Patent number
4,161,776
Issue date
Jul 17, 1979
Denki Onkyo Co., Ltd.
Shoji Onoue
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flyback transformer
Patent number
4,156,888
Issue date
May 29, 1979
Denki Onkyo Co., Ltd.
Haruo Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard switch circuit for use in a matrix which has a series circ...
Patent number
4,145,687
Issue date
Mar 20, 1979
Denki Onkyo Co., Ltd.
Noboru Masuda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magnetic sensor having a hollow housing sealed with a shield cap
Patent number
4,117,523
Issue date
Sep 26, 1978
Denki Onkyo Co., Ltd.
Noboru Masuda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Deflection yoke
Patent number
4,117,516
Issue date
Sep 26, 1978
Denki Onkyo Co., Ltd.
Yukihiko Yasuhara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke with unitary coil frame
Patent number
4,117,432
Issue date
Sep 26, 1978
Denki Onkyo Co., Ltd.
Kazunori Shizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Deflection yoke
Patent number
4,110,793
Issue date
Aug 29, 1978
Denki Onkyo Co., Ltd.
Atsufumi Tajiri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Drive control circuit for d.c. motor
Patent number
4,080,555
Issue date
Mar 21, 1978
Denki Onkyo Co., Ltd.
Takehiko Kawada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Cassette tape recorder with tape pad
Patent number
4,011,592
Issue date
Mar 8, 1977
Denki Onkyo Company, Ltd.
Takehiko Kawada
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape recorder
Patent number
D242809
Issue date
Dec 21, 1976
Denki Onkyo Co., Ltd.
Yoshinori Fukuda
D26 - Lighting
Information
Patent Grant
Galvano-magnetic effect device
Patent number
3,943,481
Issue date
Mar 9, 1976
Denki Onkyo Co., Ltd.
Noboru Masuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymer electrolytes
Patent number
3,937,764
Issue date
Feb 10, 1976
Denki Onkyo Co., Ltd.
Hideichi Horikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
72281559 - DOK
Serial number
72281559
Registration number
856007
Filing date
Oct 2, 1967
DENKI ONKYO KABUSHIKI KAISHA
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments