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Atsushi Imai
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Magnetic recording and reproducing device
Patent number
6,940,686
Issue date
Sep 6, 2005
Matsushita Electric Industrial Co., Ltd.
Yuko Ohtani
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary head drum assembly with upper, lower and inner drums with cy...
Patent number
6,411,465
Issue date
Jun 25, 2002
Matsushita Electric Industial Co., Ltd.
Shigeo Obata
G11 - INFORMATION STORAGE
Information
Patent Grant
Echo-machine employing low pass filters with a variable cut-off fre...
Patent number
4,244,262
Issue date
Jan 13, 1981
Roland Corporation
Atsushi Imai
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
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Patent Application
Magnetic recording and reproducing device
Publication number
20020171971
Publication date
Nov 21, 2002
Yuko Ohtani
G11 - INFORMATION STORAGE