Yahei KOYAMADA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Brillouin scattering measurement method and Brillouin scattering me...
- Patent number 11,112,358
- Issue date Sep 7, 2021
- NEUBREX CO., LTD.
- Kenichi Nishiguchi
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber
- Patent number 7,742,671
- Issue date Jun 22, 2010
- The Furukawa Electric Co., Ltd.
- Yahei Koyamada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
RAYLEIGH INTENSITY PATTERN MEASUREMENT DEVICE AND RAYLEIGH INTENSIT...
- Publication number 20240361159
- Publication date Oct 31, 2024
- Neubrex Co., Ltd.
- Kinzo KISHIDA
- G01 - MEASURING TESTING
Information Patent Application
BRILLOUIN SCATTERING MEASUREMENT METHOD AND BRILLOUIN SCATTERING ME...
- Publication number 20200041411
- Publication date Feb 6, 2020
- Neubrex Co., Ltd.
- Kenichi Nishiguchi
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER
- Publication number 20090148112
- Publication date Jun 11, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Yahei KOYAMADA
- G02 - OPTICS