Yasunori Iwahashi

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Toba-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for non-destructive judgment of pearl quality
- Patent number 9,903,852
- Issue date Feb 27, 2018
- Kiyohito Nagai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR NON-DESTRUCTIVE JUDGMENT OF PEARL QUALITY
- Publication number 20120050526
- Publication date Mar 1, 2012
- KABUSHIKI KAISHA MIKIMOTO
- Kiyohito Nagai
- G01 - MEASURING TESTING