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Masaharu Kobayashi
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Magnetic recording/reproducing method and apparatus
Patent number
5,189,564
Issue date
Feb 23, 1993
Nobutaka Amada
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for PCM recording and reproducing an audio sig...
Patent number
4,937,686
Issue date
Jun 26, 1990
Hitachi, Ltd.
Takao Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head type recording/reproducing method and apparatus for rec...
Patent number
4,928,185
Issue date
May 22, 1990
Hitachi, Ltd.
Masaharu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for recording digital signal
Patent number
4,912,574
Issue date
Mar 27, 1990
Hitachi, Ltd.
Masaharu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head type digital signal recording and/or reproducing appara...
Patent number
4,905,104
Issue date
Feb 27, 1990
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
PCM recording and playback with variable read and write speeds
Patent number
4,823,207
Issue date
Apr 18, 1989
Hitachi, Ltd.
Masaharu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for recording and reproducing video signal and digital si...
Patent number
4,758,903
Issue date
Jul 19, 1988
Hitachi, Ltd.
Takaharu Noguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PCM signal recording and reproducing apparatus including simultaneo...
Patent number
4,758,902
Issue date
Jul 19, 1988
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for recording and/or reproducing PCM signals
Patent number
4,758,907
Issue date
Jul 19, 1988
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of transmitting digital data in which error detection codes...
Patent number
4,716,567
Issue date
Dec 29, 1987
Hitachi, Ltd.
Masahiro Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for recording PCM signal
Patent number
4,704,640
Issue date
Nov 3, 1987
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head type PCM recording and reproduction method and system
Patent number
4,685,004
Issue date
Aug 4, 1987
Hitachi, Ltd.
Hiroaki Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for recording digital signals
Patent number
4,682,332
Issue date
Jul 21, 1987
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Error correction method and system
Patent number
4,677,622
Issue date
Jun 30, 1987
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head type PCM recorder
Patent number
4,670,796
Issue date
Jun 2, 1987
Hitachi, Ltd.
Masaharu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for processing an error flag of a PCM signal
Patent number
4,660,200
Issue date
Apr 21, 1987
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital signal transmission method providing high error correction...
Patent number
4,649,542
Issue date
Mar 10, 1987
Hitachi, Ltd.
Keizo Nishimura
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Information
Patent Grant
Method and apparatus for recording and reproducing a digital signal...
Patent number
4,646,170
Issue date
Feb 24, 1987
Hitachi, Ltd.
Masaharu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Decoding method and system for doubly-encoded Reed-Solomon codes
Patent number
4,646,301
Issue date
Feb 24, 1987
Hitachi, Ltd.
Hiroo Okamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rotary-head type PCM data recording/reproducing method and apparatu...
Patent number
4,622,600
Issue date
Nov 11, 1986
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
PCM signal recording/reproducing apparatus
Patent number
4,617,599
Issue date
Oct 14, 1986
Hitachi, Ltd.
Takaharu Noguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital-to-analog converter device for processing PCM signals of di...
Patent number
4,614,934
Issue date
Sep 30, 1986
Hitachi, Ltd.
Masaharu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital data synchronizing circuit
Patent number
4,611,335
Issue date
Sep 9, 1986
Hitachi, Ltd.
Takao Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Multitrack PCM reproducing apparatus
Patent number
4,590,524
Issue date
May 20, 1986
Hitachi, Ltd.
Hiroo Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Error flag processor
Patent number
4,577,319
Issue date
Mar 18, 1986
Hitachi, Ltd.
Takashi Takeuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal conversion apparatus for use in PCM signal processing system
Patent number
4,570,153
Issue date
Feb 11, 1986
Hitachi, Ltd.
Masaharu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital player using a pulse width detector
Patent number
4,562,549
Issue date
Dec 31, 1985
Hitachi, Ltd.
Hiromichi Tanaka
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Information
Patent Grant
Circuit and method for protecting a horizontal synchronous signal
Patent number
4,420,775
Issue date
Dec 13, 1983
Nippon Victor Kabushiki Kaisha
Shigeru Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Synchronizing signal detection protective circuit
Patent number
4,393,419
Issue date
Jul 12, 1983
Hitachi, Ltd.
Takao Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Vertical synchronizing signal detector circuit
Patent number
4,238,770
Issue date
Dec 9, 1980
Hitachi, Ltd.
Masaharu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE