Koji Sasazawa

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Odawara, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing ferromagnetic powder
- Patent number 4,069,164
- Issue date Jan 17, 1978
- Fuji Photo Film Co., Ltd.
- Shin-Ichiro Dezawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing cobalt- and iron-containing ferromagnetic powder
- Patent number 4,066,565
- Issue date Jan 3, 1978
- Fuji Photo Film Co., Ltd.
- Koji Sasazawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing cobalt- and iron-containing ferromagnetic pow...
- Patent number 4,066,564
- Issue date Jan 3, 1978
- Fuji Photo Film Co., Ltd.
- Koji Sasazawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for stabilization of ferromagnetic material and magnetic re...
- Patent number 4,015,030
- Issue date Mar 29, 1977
- Fuji Photo Film Co., Ltd.
- Koji Sasazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording material
- Patent number 4,002,804
- Issue date Jan 11, 1977
- Fuji Photo Film Co., Ltd.
- Goro Akashi
- G11 - INFORMATION STORAGE