Tanemichi Chiba

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Nukata-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic sonar and method using transmission frequency different...
- Patent number 6,490,226
- Issue date Dec 3, 2002
- Nippon Soken, Inc.
- Nobuyuki Iwasaki
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Ultrasonic sonar and method using transmission frequency different...
- Publication number 20010012238
- Publication date Aug 9, 2001
- Nobuyuki Iwasaki
- G01 - MEASURING TESTING