Masanori Kawakami

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Ebina, JP

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Patents Grantslast 30 patents

Information Patent Grant
Print ribbon replaceable cassette
- Patent number 4,720,202
- Issue date Jan 19, 1988
- Ricoh Company, Ltd.
- Masanori Kawakami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink ribbon cartridge and color ink ribbon for printer
- Patent number 4,669,899
- Issue date Jun 2, 1987
- Ricoh Company, Ltd.
- Masanori Kawakami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS