Tamotsu Harada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Digital copier operable with external storing medium
- Patent number 5,105,284
- Issue date Apr 14, 1992
- Ricoh Company, Ltd.
- Seiji Sakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital copier apparatus with external laser card storage medium an...
- Patent number 5,016,114
- Issue date May 14, 1991
- Ricoh Company, Ltd.
- Seiji Sakata
- G11 - INFORMATION STORAGE