Takeo Obata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sense amplifier circuit having a power supply switching circuit
- Patent number 5,079,449
- Issue date Jan 7, 1992
- Ricoh Company, Ltd.
- Takeo Obata
- G11 - INFORMATION STORAGE
Information Patent Grant
Programmable logic array having an improved testing arrangement
- Patent number 4,920,515
- Issue date Apr 24, 1990
- Ricoh Company, Ltd.
- Takeo Obata
- G01 - MEASURING TESTING
Information Patent Grant
Logic integrated circuit device selecting as outputs any two of two...
- Patent number 4,857,775
- Issue date Aug 15, 1989
- Ricoh Company, Ltd.
- Takeo Obata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Partially enabled programmable logic device
- Patent number 4,839,539
- Issue date Jun 13, 1989
- Ricoh Company, Ltd.
- Akira Takata
- H03 - BASIC ELECTRONIC CIRCUITRY