Masakazu Yamagata

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Fukushima-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ribbon cassette, ribbon cartridge using ribbon protector, and print...
- Patent number 6,666,598
- Issue date Dec 23, 2003
- Oki Data Corporation
- Akihiro Moriyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Ribbon cassette, ribbon cartridge using ribbon protector, and print...
- Publication number 20020051667
- Publication date May 2, 2002
- Oki Data Corporation
- Akihiro Moriyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS