Eiji Yamamoto

Follow

Person

Tokyo, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic flaw detector
- Patent number 4,088,029
- Issue date May 9, 1978
- Kabushikikaisha Tokyo Keiki
- Eiji Yamamoto
- G01 - MEASURING TESTING
Information Patent Grant
Automatic weld flaw detector
- Patent number 4,054,053
- Issue date Oct 18, 1977
- Tokyo Keiki Co., Ltd.
- Eiji Yamamoto
- G01 - MEASURING TESTING