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Tsutomu Toyoguchi
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Tokyo, JP
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last 30 patents
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Patent Grant
Drive arrangement for both a cassette loading mechanism and a tape...
Patent number
5,708,538
Issue date
Jan 13, 1998
Sony Corporation
Toyomi Fujino
G11 - INFORMATION STORAGE
Information
Patent Grant
Shifting device and loading device for disc-shaped recording medium
Patent number
5,596,561
Issue date
Jan 21, 1997
Sony Corportation
Tsutomu Toyoguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Cassette loading mechanism for a recording and reproducing apparatus
Patent number
5,293,550
Issue date
Mar 8, 1994
Sony Corporation
Tsutomu Toyoguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc drive arrangement for CD player and the like capable of loadin...
Patent number
5,022,023
Issue date
Jun 4, 1991
Sony Corporation
Tsutomu Toyoguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk player
Patent number
4,794,588
Issue date
Dec 27, 1988
Sony Corporation
You Yoshitoshi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Optical disk player
Patent number
4,731,777
Issue date
Mar 15, 1988
Sony Corporation
You Yoshitoshi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Disc loading apparatus for use in a disc player
Patent number
4,628,498
Issue date
Dec 9, 1986
Sony Corporation
Ryoji Takamatsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc player
Patent number
4,592,039
Issue date
May 27, 1986
Sony Corporation
Tsutomu Toyoguchi
G11 - INFORMATION STORAGE