Akio Kawano

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Radar type underground searching apparatus
- Patent number 4,905,008
- Issue date Feb 27, 1990
- Osaka Gas Co., Ltd.
- Akio Kawano
- G01 - MEASURING TESTING
Information Patent Grant
Converter of meter-gauge readings
- Patent number 4,336,447
- Issue date Jun 22, 1982
- Osaka Gas Co., Ltd.
- Yuzo Oguchi
- G06 - COMPUTING CALCULATING COUNTING