Hidekazu Sano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reversible two-color heat-sensitive recording material and recordin...
- Patent number 6,596,669
- Issue date Jul 22, 2003
- Mitsubishi Paper Mills Limited
- Jun Maruyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible heat-sensitive recording material
- Patent number 6,184,180
- Issue date Feb 6, 2001
- Mitsubishi Paper Mills Limited
- Jun Maruyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible heat sensitive recording material
- Patent number 5,817,599
- Issue date Oct 6, 1998
- Mitsubishi Paper Mills Limited
- Kazuyuki Iida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Reversible heat-sensitive recording material
- Patent number 5,498,772
- Issue date Mar 12, 1996
- Mitsubishi Paper Mills Limited
- Jun Maruyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reversible heat-sensitive recording material
- Patent number 5,395,815
- Issue date Mar 7, 1995
- Mitsubishi Paper Mills Limited
- Mitsuhiro Ikeda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS