Seiji Tsuboi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermal transfer sheet
- Patent number 5,776,595
- Issue date Jul 7, 1998
- Fujicopian Co., Ltd.
- Kenji Kurokawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink ribbon fabric foundation
- Patent number 5,558,450
- Issue date Sep 24, 1996
- Fujicopian Co., Ltd.
- Seiji Tsuboi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS