Toyoaki HAMAGUCHI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarization inspection device
- Patent number 9,970,860
- Issue date May 15, 2018
- Yokogawa Electric Corporation
- Kodai Murayama
- G02 - OPTICS
Information Patent Grant
Inspection apparatus using polarized lights
- Patent number 9,541,493
- Issue date Jan 10, 2017
- Yokogawa Electric Corporation
- Yoshinori Matsumoto
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
POLARIZATION INSPECTION DEVICE
- Publication number 20170176323
- Publication date Jun 22, 2017
- YOKOGAWA ELECTRIC CORPORATION
- Kodai MURAYAMA
- G01 - MEASURING TESTING
Information Patent Application
INSPECTION APPARATUS USING POLARIZED LIGHTS
- Publication number 20150346083
- Publication date Dec 3, 2015
- YOKOGAWA ELECTRIC CORPORATION
- Yoshinori MATSUMOTO
- G01 - MEASURING TESTING