Hitoshi Yasutomi

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Daito-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording and reproduction apparatus
- Patent number 7,248,430
- Issue date Jul 24, 2007
- Matsushita Electric Industrial Co., Ltd.
- Akio Konishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproduction apparatus
- Patent number 7,180,698
- Issue date Feb 20, 2007
- Matsushita Electric Industrial Co., Ltd.
- Koichiro Hirabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproduction apparatus including a rotary head c...
- Patent number 6,172,840
- Issue date Jan 9, 2001
- Matsushita Electric Industrial Co., Ltd.
- Akio Konishi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording and reproduction apparatus
- Publication number 20040212918
- Publication date Oct 28, 2004
- Koichiro Hirabayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording and reproduction apparatus
- Publication number 20040201004
- Publication date Oct 14, 2004
- Akio Konishi
- G11 - INFORMATION STORAGE