Naoki Hanayama

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermoresponsive recording paper sheet
- Patent number 4,605,940
- Issue date Aug 12, 1986
- Yoshitomi Pharmaceutical Industries, Ltd.
- Ryoichi Kinishi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Thermoresponsive recording sheet
- Patent number 4,558,335
- Issue date Dec 10, 1985
- Yoshitomi Pharmaceutical Industries, Ltd.
- Naoki Hanayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS