Mihoko Akiyama

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Susono, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multiple-use thermal image transfer recording method
- Patent number 5,428,372
- Issue date Jun 27, 1995
- Ricoh Company, Ltd.
- Mihoko Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multiple-use thermal image transfer recording medium
- Patent number 5,336,548
- Issue date Aug 9, 1994
- Ricoh Company, Ltd.
- Keiichi Shiokawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image receiving sheet for use in thermal image transfer recording s...
- Patent number 5,324,585
- Issue date Jun 28, 1994
- Ricoh Company, Ltd.
- Mihoko Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS