Ikuo Ota

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Yawata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Platelike magnetic powder and a recording medium which uses the pla...
- Patent number 4,886,714
- Issue date Dec 12, 1989
- Matsushita Electric Industrial Co., Ltd.
- Hideo Torii
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,803,133
- Issue date Feb 7, 1989
- Matsushita Electric Industrial Co., Ltd.
- Hozumi Hirota
- G11 - INFORMATION STORAGE