Daisuke Abe

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Sanngo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Integrated circuit card member for use in data processing device
- Patent number 5,241,662
- Issue date Aug 31, 1993
- Ricoh Company, Ltd.
- Yoshio Maniwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory cartridge
- Patent number 4,872,091
- Issue date Oct 3, 1989
- Ricoh Company, Ltd.
- Yoshio Maniwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Solid-state scanning apparatus
- Patent number 4,449,151
- Issue date May 15, 1984
- Ricoh Company, Ltd.
- Takashi Yokota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE