Takumi Kawamura

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Fukushima-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ribbon cartridge and printing apparatus
- Patent number 7,942,594
- Issue date May 17, 2011
- Seiko Epson Corporation
- Masayuki Kumazaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Ribbon Cartridge and Printing Apparatus
- Publication number 20090202283
- Publication date Aug 13, 2009
- Masayuki Kumazaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS