Katuhiko Hayashi

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Tokyo, JP

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Patents Grantslast 30 patents

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Voltage controlled oscillator using a plurality of switchable oscil...
- Patent number 5,982,240
- Issue date Nov 9, 1999
- TDK Corporation
- Katuhiko Hayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Antenna switch
- Patent number 5,926,075
- Issue date Jul 20, 1999
- TDK Corporation
- Katuhiko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directional coupler
- Patent number 5,841,328
- Issue date Nov 24, 1998
- TDK Corporation
- Katuhiko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency signal dividing and/or combining device
- Patent number 5,650,756
- Issue date Jul 22, 1997
- TDK Corporation
- Katuhiko Hayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Hybrid coupler
- Patent number 5,382,925
- Issue date Jan 17, 1995
- TDK Corporation
- Katuhiko Hayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Absorber device for microwave leakage
- Patent number 4,689,460
- Issue date Aug 25, 1987
- TDK Corporation
- Ken Ishino
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR