HY

Hirotoshi Yasunaga

Sharp Kabushiki Kaisha: 34 patents #355 of 10,731Top 4%
ST Sharp Display Technology: 7 patents #24 of 250Top 10%
Overall (All Time): #75,216 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
12431102 Display device Hisashi Watanabe 2025-09-30
12331181 Display device Hisashi Watanabe 2025-06-17
12174487 Lighting device Hisashi Watanabe 2024-12-24
12111537 Lighting device, display device, and method of manufacturing lighting device Takeshi Masuda, Hisashi Watanabe 2024-10-08
11994767 Lighting device using wavelength conversion sheet, and display device using the same Takeshi Masuda, Hisashi Watanabe, YOUZOU KYOUKANE 2024-05-28
11977293 Illumination device that suppresses uneven brightness and display device thereof Hisashi Watanabe, Takeshi Masuda 2024-05-07
11804580 Lighting device and method of producing light source substrate Hisashi Watanabe, YOUZOU KYOUKANE, Takeshi Masuda 2023-10-31
11789311 Illumination device including a first and a second light reduction portion and a display device including the same Takeshi Masuda, Hisashi Watanabe 2023-10-17
11789312 Lighting device and display device Hisashi Watanabe, Takeshi Masuda 2023-10-17
11502234 Light-emitting-element-equipped substrate and backlight Hisashi Watanabe, YOUZOU KYOUKANE, Takeshi Masuda 2022-11-15
11367814 LED light-source substrate and illumination device Hisashi Watanabe, Takeshi Masuda, YOUZOU KYOUKANE 2022-06-21
11137640 Lighting device with offset land patterns Takeshi Masuda, Hisashi Watanabe, YOUZOU KYOUKANE 2021-10-05
11105972 Light-emitting device, lighting device, and display device YOUZOU KYOUKANE, Hisashi Watanabe, Ryuzo Yuki 2021-08-31
11079625 Reflection sheet, lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE, Takeshi Masuda 2021-08-03
11067739 Surface light source device and liquid crystal display device Hisashi Watanabe 2021-07-20
11016239 Lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE 2021-05-25
10976619 Illumination device and display device Hisashi Watanabe, YOUZOU KYOUKANE, Takeshi Masuda 2021-04-13
10962828 Illumination device and display using light reflector YOUZOU KYOUKANE, Takeshi Masuda, Hisashi Watanabe 2021-03-30
10871607 Lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE 2020-12-22
10852583 Lighting device, display device, and method of producing lighting device Hisashi Watanabe, YOUZOU KYOUKANE, Takeshi Masuda 2020-12-01
10809571 Lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE 2020-10-20
10754190 Lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE, Takeshi Masuda 2020-08-25
10754195 Lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE 2020-08-25
10754196 Lighting device and display device Hisashi Watanabe, YOUZOU KYOUKANE 2020-08-25
10705382 Lighting device and display device YOUZOU KYOUKANE, Takeshi Masuda, Hisashi Watanabe 2020-07-07