Ryozo Konno

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radiation-curable, magnetic coating material and magnetic recording...
- Patent number 4,708,909
- Issue date Nov 24, 1987
- Toyo Ink Mfg. Co., Ltd.
- Akira Ohtsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,526,837
- Issue date Jul 2, 1985
- Toyo Ink Mfg. Co., Ltd.
- Akira Ohtsuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,511,629
- Issue date Apr 16, 1985
- TDK Electronics Co., Ltd.
- Ryozo Konno
- G11 - INFORMATION STORAGE