Inventor
KADAN KATSUYOSHI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KADAN KATSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
15 patentsUS7982236B2Jul 19, 2011
Semiconductor light emitting element
NICHIA CORP25 citations92
US8847262B2Sep 30, 2014
Sapphire substrate having triangular projections with bottom sides formed of outwardly curved lines
NICHIA CORP6 citations83
USRE50614ESep 30, 2025
Semiconductor light emitting element
NICHIA CORP0 citations62
USRE49406EJan 31, 2023
Semiconductor light emitting element
NICHIA CORP0 citations62
USRE49298ENov 15, 2022
Semiconductor light emitting element
NICHIA CORP0 citations62
US9525103B2Dec 20, 2016
Sapphire substrate having elongated projection and semiconductor light emitting device utilizing the same
NICHIA CORP2 citations62
US12027501B2Jul 2, 2024
Surface light source and method of manufacturing surface light source
NICHIA CORP0 citations59
US11640957B2May 2, 2023
Light emitting module
NICHIA CORP0 citations59
US10892255B2Jan 12, 2021
Method of manufacturing light emitting module
NICHIA CORP0 citations59
US11538966B2Dec 27, 2022
Method of manufacturing light emitting device
NICHIA CORP0 citations51
US9070814B2Jun 30, 2015
LED sapphire substrate with groups of three projections on the surface
NICHIA CORP0 citations51
US8847263B2Sep 30, 2014
Sapphire substrate having triangular projections with outer perimeter formed of continuous curve
NICHIA CORP0 citations51
US11410975B2Aug 9, 2022
Display device and method of manufacturing display device
NICHIA CORP0 citations50
US11362246B2Jun 14, 2022
Method of manufacturing display device with lateral wiring
NICHIA CORP0 citations50
US10797210B2Oct 6, 2020
Light emitting device having reduced thickness and increased light-reflectivity
NICHIA CORP0 citations41