Yoshimitsu NAKAJIMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spectral curve acquiring device, concrete measuring instrument, spe...
- Patent number 11,009,453
- Issue date May 18, 2021
- TOPCON Corporation
- Issei Hanya
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring state of concrete
- Patent number 10,345,232
- Issue date Jul 9, 2019
- Topcon Corporation
- Kaoru Kumagai
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Spectral Curve Acquiring Device, Concrete Measuring Instrument, Spe...
- Publication number 20200300753
- Publication date Sep 24, 2020
- TOPCON CORPORATION
- Issei Hanya
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MEASURING STATE OF CONCRETE
- Publication number 20190017929
- Publication date Jan 17, 2019
- TOPCON CORPORATION
- Kaoru KUMAGAI
- G01 - MEASURING TESTING