Inventor
YASUNAGA HIROTOSHI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “YASUNAGA HIROTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
33 patentsUS10871607B2Dec 22, 2020
Lighting device and display device
SHARP KK7 citations84
US9778411B2Oct 3, 2017
Lighting device and display device
SHARP KK10 citations84
US11079625B2Aug 3, 2021
Reflection sheet, lighting device and display device
SHARP KK4 citations73
US10852583B2Dec 1, 2020
Lighting device, display device, and method of producing lighting device
SHARP KK2 citations73
US10809571B2Oct 20, 2020
Lighting device and display device
SHARP KK2 citations73
US10754195B2Aug 25, 2020
Lighting device and display device
SHARP KK2 citations73
US10754190B2Aug 25, 2020
Lighting device and display device
SHARP KK2 citations73
US10705375B2Jul 7, 2020
Lighting device and display device having side emitting light source and light guide
SHARP KK5 citations73
US10670917B2Jun 2, 2020
Lighting device and display device
SHARP KK4 citations73
US9933563B2Apr 3, 2018
Lighting device and display device
SHARP KK3 citations73
US11502234B2Nov 15, 2022
Light-emitting-element-equipped substrate and backlight
SHARP KK0 citations62
US11367814B2Jun 21, 2022
LED light-source substrate and illumination device
SHARP KK0 citations62
US11105972B2Aug 31, 2021
Light-emitting device, lighting device, and display device
SHARP KK0 citations62
US10976619B2Apr 13, 2021
Illumination device and display device
SHARP KK1 citations62
US10962828B2Mar 30, 2021
Illumination device and display using light reflector
SHARP KK1 citations62
US10534126B2Jan 14, 2020
Lighting device and display device
SHARP KK1 citations62
US10488704B2Nov 26, 2019
Lighting device and display device
SHARP KK1 citations62
US10436972B2Oct 8, 2019
Lighting unit and display device
SHARP KK1 citations62
US10203442B2Feb 12, 2019
Lighting device including a side emitting type light source for improved light efficiency and display device
SHARP KK1 citations62
US11994767B2May 28, 2024
Lighting device using wavelength conversion sheet, and display device using the same
SHARP KK0 citations52
US11804580B2Oct 31, 2023
Lighting device and method of producing light source substrate
SHARP KK0 citations52
US11137640B2Oct 5, 2021
Lighting device with offset land patterns
SHARP KK0 citations52
US11067739B2Jul 20, 2021
Surface light source device and liquid crystal display device
SHARP KK0 citations52
US11016239B1May 25, 2021
Lighting device and display device
SHARP KK0 citations52
US10705382B2Jul 7, 2020
Lighting device and display device
SHARP KK0 citations52
US10656464B2May 19, 2020
Lighting device and display device
SHARP KK0 citations52
US10642098B2May 5, 2020
Illumination device and display device
SHARP KK0 citations52
US10061156B2Aug 28, 2018
Display device
SHARP KK0 citations52
US10466402B2Nov 5, 2019
Illumination device for a display device comprising a light guide plate having at least one of a through hole and a cutout
SHARP KK0 citations42
US10754196B2Aug 25, 2020
Lighting device and display device
SHARP KK0 citations41
US10527778B2Jan 7, 2020
Lighting device and display device
SHARP KK0 citations41
US10274142B2Apr 30, 2019
Lighting device and display device
SHARP KK0 citations41
US9581860B2Feb 28, 2017
Illumination device with multiple phosphor layers
SHARP KK0 citations41
SHARP DISPLAY TECHNOLOGY CORP
8 patentsUS12174487B1Dec 24, 2024
Lighting device
SHARP DISPLAY TECHNOLOGY CORP2 citations73
US11789311B2Oct 17, 2023
Illumination device including a first and a second light reduction portion and a display device including the same
SHARP DISPLAY TECHNOLOGY CORP0 citations62
US12591157B2Mar 31, 2026
Lighting device
SHARP DISPLAY TECHNOLOGY CORP0 citations52
US12431102B2Sep 30, 2025
Display device
SHARP DISPLAY TECHNOLOGY CORP0 citations52
US12331181B2Jun 17, 2025
Display device
SHARP DISPLAY TECHNOLOGY CORP0 citations52
US12111537B2Oct 8, 2024
Lighting device, display device, and method of manufacturing lighting device
SHARP DISPLAY TECHNOLOGY CORP0 citations52
US11977293B1May 7, 2024
Illumination device that suppresses uneven brightness and display device thereof
SHARP DISPLAY TECHNOLOGY CORP0 citations52
US11789312B2Oct 17, 2023
Lighting device and display device
SHARP DISPLAY TECHNOLOGY CORP0 citations52