Keizo Baba

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Atsugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Facsimile apparatus, a method of displaying advertisement informati...
- Patent number 7,304,755
- Issue date Dec 4, 2007
- Ricoh Company, Ltd.
- Keizo Baba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus capable of performing information providing op...
- Patent number 6,498,837
- Issue date Dec 24, 2002
- Ricoh Company, Ltd.
- Keizo Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for signal interfacing capable of infallibly n...
- Patent number 6,286,107
- Issue date Sep 4, 2001
- Ricoh Company, Ltd.
- Shunpei Tamaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Facsimile machine having error correction mode
- Patent number 5,119,210
- Issue date Jun 2, 1992
- Ricoh Company, Ltd.
- Keizo Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile device
- Patent number 4,963,988
- Issue date Oct 16, 1990
- Ricoh Company, Ltd.
- Keizo Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile system with a voice transmission function
- Patent number 4,922,524
- Issue date May 1, 1990
- Ricoh Company Ltd.
- Keizo Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE