Takao Waho

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Analog-to-digital conversion device
- Patent number 6,188,346
- Issue date Feb 13, 2001
- Nippon Telegraph and Telephone Corporation
- Takao Waho
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multiple-valued logic circuit
- Patent number 5,773,996
- Issue date Jun 30, 1998
- Nippon Telegraph & Telephone Corporation
- Waho Takao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonant tunneling transistor with barrier layers
- Patent number 5,280,182
- Issue date Jan 18, 1994
- Nippon Telegraph and Telephone Corporation
- Takao Waho
- B82 - NANO-TECHNOLOGY