Yuki SHIMURA

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Nagoya-shi, Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical wavelength converter and composite optical device
- Patent number 11,316,078
- Issue date Apr 26, 2022
- NGK Spark Plug Co., Ltd.
- Syohei Takaku
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Optical wavelength conversion member and light-emitting device
- Patent number 10,727,378
- Issue date Jul 28, 2020
- NGK Spark Plug Co., Ltd.
- Shohei Takaku
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVELENGTH CONVERSION MATERIAL, OPTICAL WAVELENGTH CONVERSI...
- Publication number 20210098657
- Publication date Apr 1, 2021
- NGK Spark Plug Co., Ltd.
- Tsuneyuki ITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL WAVELENGTH CONVERTER AND COMPOSITE OPTICAL DEVICE
- Publication number 20200303597
- Publication date Sep 24, 2020
- NGK SPARK PLUG CO., LTD.
- Syohei TAKAKU
- F21 - LIGHTING
Information Patent Application
OPTICAL WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE
- Publication number 20190259918
- Publication date Aug 22, 2019
- NGK Spark Plug Co., Ltd.
- Shohei TAKAKU
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES