Koichi Sawada

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Patents Grantslast 30 patents

Information Patent Grant
Print apparatus, ribbon movement control device, ribbon film, ribbo...
- Patent number 7,474,323
- Issue date Jan 6, 2009
- Sony Corporation
- Koichi Sawada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Print apparatus, ribbon movement control device, ribbon film, ribbo...
- Publication number 20070182807
- Publication date Aug 9, 2007
- Koichi Sawada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS