Kiyomi Okada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-sensitive recording material
- Patent number 5,401,699
- Issue date Mar 28, 1995
- Kanzaki Paper Manufacturing Co., Ltd.
- Masanori Ohashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for preparing a heat-sensitive recording material
- Patent number 5,393,560
- Issue date Feb 28, 1995
- Kanzaki Paper Mfg. Co., Ltd.
- Kiyomi Okada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS