KS

Ken Sugiyama

JD Japan Display: 8 patents #30 of 388Top 8%
Overall (2023): #12,490 of 537,848Top 3%
8
Patents 2023

Issued Patents 2023

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11852918 Light source device Rina Yamamoto 2023-12-26
11815764 Light source device and display device having light source device Toshiyuki Tsubota, Rina Yamamoto 2023-11-14
11768325 Display device, illumination device, and light guiding member Koji Hiramoto, Masafumi Okada, Hiroshi Nakamoto, Ken Kagabu 2023-09-26
11747549 Illumination device and liquid crystal display device Kazunari Nishita, Tetsuro Ochi, Toshiyuki Tsubota 2023-09-05
11686972 Backlight device Kosuke Matsubara, Takeshi Kaneki 2023-06-27
11644613 Light source device and display device having the light source device Rina Yamamoto 2023-05-09
11573453 Light source device Rina Yamamoto 2023-02-07
11567354 Display device Koji Hiramoto, Norika Ikeda 2023-01-31