Koichi Shigeno

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermal recording material
- Patent number 6,432,875
- Issue date Aug 13, 2002
- Asahi Denka Kogyo K.K.
- Mitsuo Akutsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS