Ryuichi ARAKAWA

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wavelength conversion member, light source device, and method for m...
- Patent number 11,692,699
- Issue date Jul 4, 2023
- NGK Spark Plug Co., Ltd.
- Yosuke Yatsuya
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
JOINED BODY, HOLDING DEVICE, AND ELECTROSTATIC CHUCK
- Publication number 20230311451
- Publication date Oct 5, 2023
- NGK Spark Plug Co., Ltd.
- Osamu YOSHIMOTO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
JOINED BODY, HOLDING DEVICE, AND ELECTROSTATIC CHUCK
- Publication number 20230303457
- Publication date Sep 28, 2023
- NGK Spark Plug Co., Ltd.
- Osamu YOSHIMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
JOINED BODY AND ELECTROSTATIC CHUCK
- Publication number 20230226630
- Publication date Jul 20, 2023
- NGK Spark Plug Co., Ltd.
- Ryuichi ARAKAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WAVELENGTH CONVERSION MEMBER, LIGHT SOURCE DEVICE, AND METHOD FOR M...
- Publication number 20220357027
- Publication date Nov 10, 2022
- NGK Spark Plug Co., Ltd.
- Yosuke YATSUYA
- F21 - LIGHTING
Information Patent Application
WAVELENGTH CONVERSION MEMBER FOR SOLDERING, WAVELENGTH CONVERSION D...
- Publication number 20220347781
- Publication date Nov 3, 2022
- NGK Spark Plug Co., Ltd.
- Yosuke YATSUYA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR