Makoto Ogasawara

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Moriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acicular ferromagnetic iron oxide particles and process for produci...
- Patent number 5,512,194
- Issue date Apr 30, 1996
- Ishihara Sangyo Kaisha, Ltd.
- Makoto Ogasawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic iron oxide particles for magnetic re...
- Patent number 5,041,307
- Issue date Aug 20, 1991
- Ishihara Sangyo Kaisha, Ltd.
- Arata Koyama
- 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