Koji Ryugo

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Shiga-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage controlled oscillation circuit
- Patent number 6,424,231
- Issue date Jul 23, 2002
- Murata Manufacturing Co., Ltd.
- Kiyofumi Takai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multilayered ceramic substrate and method of producing the same
- Patent number 6,337,123
- Issue date Jan 8, 2002
- Murata Manufacturing Co., Ltd.
- Koji Ryugo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
VOLTAGE CONTROLLED OSCILLATION CIRCUIT
- Publication number 20010045870
- Publication date Nov 29, 2001
- KIYOFUMI TAKAI
- H03 - BASIC ELECTRONIC CIRCUITRY