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Toshiaki Koizumi
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Tokorozawa, JP
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last 30 patents
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Patent Grant
Optical disk reproducing apparatus
Patent number
5,084,854
Issue date
Jan 28, 1992
Pioneer Electronic Corporation
Yuji Ikedo
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk player for playing both sides of a disk or multiple disks with...
Patent number
4,949,328
Issue date
Aug 14, 1990
Pioneer Electronic Corporation
Masao Kase
G11 - INFORMATION STORAGE
Information
Patent Grant
Front loading disc player
Patent number
4,845,700
Issue date
Jul 4, 1989
Pioneer Electronic Corporation
Toshiaki Koizumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Front loading disk player with improved disk sensor positioning
Patent number
4,695,995
Issue date
Sep 22, 1987
Pioneer Electronic Corporation
Toshiaki Koizumi
G11 - INFORMATION STORAGE