Inventor
YATSUYA YOSUKE
JP4 patents
Patents
4 patentsUS11287107B2Mar 29, 2022
Optical wavelength conversion device
NGK SPARK PLUG CO2 citations69
US11994284B2May 28, 2024
Wavelength conversion member and light source device provided therewith
NGK SPARK PLUG CO0 citations59
US11692699B2Jul 4, 2023
Wavelength conversion member, light source device, and method for manufacturing wavelength conversion member
NGK SPARK PLUG CO0 citations58
US10122023B2Nov 6, 2018
Fuel cell with separator, method for manufacturing same, and fuel cell stack
NGK SPARK PLUG CO0 citations48