Inventor
KATSU YUSUKE
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KATSU YUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
14 patentsUS10665761B2May 26, 2020
Light wavelength conversion member and light emission device
NGK SPARK PLUG CO3 citations71
US9550699B2Jan 24, 2017
Ceramic composition and cutting tool
NGK SPARK PLUG CO2 citations71
US11214731B2Jan 4, 2022
Light wavelength conversion member and light emitting device
NGK SPARK PLUG CO2 citations70
US11287107B2Mar 29, 2022
Optical wavelength conversion device
NGK SPARK PLUG CO2 citations69
US10727378B2Jul 28, 2020
Optical wavelength conversion member and light-emitting device
NGK SPARK PLUG CO2 citations69
US11316078B2Apr 26, 2022
Optical wavelength converter and composite optical device
NGK SPARK PLUG CO2 citations66
US11986901B2May 21, 2024
Friction stir welding tool and friction stir welding method
NGK SPARK PLUG CO1 citations62
US8927447B2Jan 6, 2015
Ceramic sintered body
NGK SPARK PLUG CO3 citations61
US11945987B2Apr 2, 2024
Light wavelength conversion member and light-emitting device
NGK SPARK PLUG CO0 citations60
US11560513B2Jan 24, 2023
Optical wavelength conversion member and light-emitting device
NGK SPARK PLUG CO0 citations60
US11063186B2Jul 13, 2021
Method for producing light wavelength conversion member, light wavelength conversion member, light wavelength conversion component and light emitting device
NGK SPARK PLUG CO1 citations60
US10910524B2Feb 2, 2021
Light wavelength conversion member and light emitting device
NGK SPARK PLUG CO1 citations60
US11299431B2Apr 12, 2022
Ceramic sintered body, insert, cutting tool, and friction stir welding tool
NGK SPARK PLUG CO0 citations57
US10766820B2Sep 8, 2020
Ceramic sintered body
NGK SPARK PLUG CO0 citations51