Inventor
KATSUMATA TOSHINOBU
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KATSUMATA TOSHINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NICHIA CORP
24 patentsUS11415741B2Aug 16, 2022
Surface light source
NICHIA CORP2 citations73
US11393965B2Jul 19, 2022
Light-emitting unit and surface-emission light source
NICHIA CORP2 citations73
US11106082B2Aug 31, 2021
Light-emitting module and surface-emitting light source
NICHIA CORP4 citations73
US10884290B2Jan 5, 2021
Light emittng module
NICHIA CORP2 citations73
US11428984B2Aug 30, 2022
Planar light source and liquid crystal display device
NICHIA CORP2 citations71
US11069831B2Jul 20, 2021
Light emitting device
NICHIA CORP2 citations71
US12117691B2Oct 15, 2024
Method of producing light-emitting device and planar light source
NICHIA CORP0 citations62
US11901498B2Feb 13, 2024
Light-emitting unit and surface-emission light source
NICHIA CORP0 citations62
US11799064B2Oct 24, 2023
Light-emitting unit and surface-emission light source
NICHIA CORP0 citations62
US11719975B2Aug 8, 2023
Light-emitting module and surface-emitting light source
NICHIA CORP0 citations62
US11703714B2Jul 18, 2023
Light-emitting module, surface light source, and liquid-crystal display device
NICHIA CORP0 citations62
US11650365B2May 16, 2023
Surface light source
NICHIA CORP0 citations62
US11594665B2Feb 28, 2023
Light-emitting unit and surface-emission light source
NICHIA CORP1 citations62
US11513389B2Nov 29, 2022
Light emitting module
NICHIA CORP0 citations62
US11506934B2Nov 22, 2022
Light-emitting device and planar light source
NICHIA CORP1 citations62
US11506932B2Nov 22, 2022
Light-emitting module, surface light source, and liquid-crystal display device
NICHIA CORP0 citations62
US11777055B2Oct 3, 2023
Light emitting device
NICHIA CORP0 citations61
US11754878B2Sep 12, 2023
Backlight device
NICHIA CORP0 citations61
US11681181B2Jun 20, 2023
Backlight device
NICHIA CORP0 citations61
US11650455B2May 16, 2023
Planar light source
NICHIA CORP0 citations61
US11391878B2Jul 19, 2022
Light emitting module
NICHIA CORP0 citations61
US11061178B2Jul 13, 2021
Light emitting module
NICHIA CORP0 citations61
US12125953B2Oct 22, 2024
Method for manufacturing light emitting device, light emitting device, and light emitting module
NICHIA CORP0 citations51
US11205744B2Dec 21, 2021
Light emitting device
NICHIA CORP0 citations50
CITIZEN ELECTRONICS
3 patentsUS7588365B2Sep 15, 2009
Method of manufacturing light guide plate, light guide plate, backlight unit with the light guide plate and display apparatus having the same
CITIZEN ELECTRONICS18 citations83
US7488103B2Feb 10, 2009
Lighting device with light guide plate illuminated by LED
CITIZEN ELECTRONICS12 citations83
US10001672B2Jun 19, 2018
Side edge planar lighting unit
CITIZEN ELECTRONICS2 citations68