Ichiro Honma

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Moriyama, JP

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Patents Grantslast 30 patents

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Process for producing cobalt-containing magnetic iron oxide powder
- Patent number 4,594,267
- Issue date Jun 10, 1986
- Ishihara Sangyo Kaisha, Ltd.
- Ichiro Honma
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing cobalt-and ferrous iron-containing ferromagne...
- Patent number 4,551,327
- Issue date Nov 5, 1985
- Ishihara Sangyo Kaishi, Limited
- Ichiro Honma
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for the production of cobalt-containing magnetic iron oxide...
- Patent number 4,501,774
- Issue date Feb 26, 1985
- Ishihara Sangyo Kaisha, Ltd.
- Kokichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing cobalt-containing magnetic iron oxide powder
- Patent number 4,486,467
- Issue date Dec 4, 1984
- Ishihara Sangyo Kaisha, Ltd.
- Kazuo Nakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing cobalt containing ferromagnetic iron oxides
- Patent number 4,414,245
- Issue date Nov 8, 1983
- Ishihara Sangyo Kaisha, Ltd.
- Kokichi Miyazawa
- G11 - INFORMATION STORAGE