Tadashi Watanabe

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Yamatokoriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Printer system with automatic ink ribbon cassette exchange function
- Patent number 6,000,868
- Issue date Dec 14, 1999
- Sharp Kabushiki Kaisha
- Tadashi Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printer system with automatic ink ribbon cassette exchange function
- Patent number 5,863,138
- Issue date Jan 26, 1999
- Sharp Kabushiki Kaisha
- Tadashi Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printer system with automatic ink ribbon cassette exchange function
- Patent number 5,836,703
- Issue date Nov 17, 1998
- Sharp Kabushiki Kaisha
- Tadashi Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS