Tuyoshi Yoshino

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Kameoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making permanent magnet type demagnetizing head
- Patent number 5,078,944
- Issue date Jan 7, 1992
- Matsushita Electric Industrial Co., Ltd.
- Tuyoshi Yoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Permanent magnet type erasing head
- Patent number 4,965,688
- Issue date Oct 23, 1990
- Matsushita Electric Industrial Co., Ltd.
- Tuyoshi Yoshino
- G11 - INFORMATION STORAGE