Yuuichi Sugawara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resonator and piezoelectric resonance device with grooved lead term...
- Patent number 6,204,593
- Issue date Mar 20, 2001
- TDK Corporation
- Touru Takahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic component
- Patent number 5,469,012
- Issue date Nov 21, 1995
- TDK Corporation
- Yoshihisa Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE