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Yoshimi Iso
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Maebashi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Medium reading apparatus
Patent number
6,928,595
Issue date
Aug 9, 2005
Renesas Technology Corp.
Hiromasa Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproducing device having plural disk units which access...
Patent number
6,785,762
Issue date
Aug 31, 2004
Renesas Technology Corp.
Hiromasa Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for reproducing recorded information with error detection...
Patent number
5,612,933
Issue date
Mar 18, 1997
Hitachi, Ltd.
Yoshimi Iso
G11 - INFORMATION STORAGE
Information
Patent Grant
Receiving circuit for demodulating an angle modulated signal
Patent number
5,260,671
Issue date
Nov 9, 1993
Hitachi, Ltd.
Yoshimi Iso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit
Patent number
RE34295
Issue date
Jun 29, 1993
Hitachi, Ltd.
Toshifumi Shibuya
341 - Coded data generation or conversion
Information
Patent Grant
Offset compensation circuit
Patent number
4,965,867
Issue date
Oct 23, 1990
Pioneer Electronic Corporation
Masami Tsuchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit
Patent number
4,746,900
Issue date
May 24, 1988
Hitachi, Ltd.
Toshifumi Shibuya
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Disc playback apparatus
Patent number
4,682,314
Issue date
Jul 21, 1987
Hitachi, Ltd.
Harushige Nakagaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Reproducing rate control apparatus for information recording disc
Patent number
4,675,855
Issue date
Jun 23, 1987
Hitachi, Ltd.
Yoshimi Iso
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital/analogue converter
Patent number
4,571,572
Issue date
Feb 18, 1986
Hitachi, Ltd.
Tsutomu Noda
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking servo control unit for an information reproducing apparatus
Patent number
4,539,665
Issue date
Sep 3, 1985
Hitachi, Ltd.
Yoshimi Iso
G11 - INFORMATION STORAGE
Information
Patent Grant
Playback speed control system
Patent number
4,532,561
Issue date
Jul 30, 1985
Hitachi, Ltd.
Hiroyuki Kimura
G11 - INFORMATION STORAGE
Information
Patent Grant
Antenna tuning circuit for AM radio receiver
Patent number
4,403,347
Issue date
Sep 6, 1983
Hitachi, Ltd.
Yoshimi Iso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Muting circuit for an FM radio receiver
Patent number
4,398,060
Issue date
Aug 9, 1983
Hitachi, Ltd.
Masanori Ienaka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Stereo demodulation system for an FM stereo broadcast receiver
Patent number
4,392,020
Issue date
Jul 5, 1983
Hitachi, Ltd.
Yoshimi Iso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Noise muting circuit in FM receiver
Patent number
4,146,842
Issue date
Mar 27, 1979
Hitachi, Ltd.
Isao Fukushima
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Phase-shifting multiplication type FM signal demodulation circuit
Patent number
4,122,394
Issue date
Oct 24, 1978
Hitachi, Ltd.
Isao Fukushima
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Recording/reproducing device and a recording medium able to read fr...
Publication number
20020075738
Publication date
Jun 20, 2002
Hiromasa Takahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Medium reading apparatus
Publication number
20020026607
Publication date
Feb 28, 2002
Hitachi, Ltd.
Hiromasa Takahashi
G11 - INFORMATION STORAGE