YU

Yasuhiro Ugai

HC Hosiden Electronics Co.: 5 patents #13 of 98Top 15%
Overall (All Time): #1,062,337 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4963503 Method of manufacturing liquid crystal display device Shigeo Aoki, Katsumi Miyake, Kotaro Okamoto 1990-10-16
4948231 Liquid crystal display device and method of manufacturing the same Shigeo Aoki, Katsumi Miyake, Kotaro Okamoto 1990-08-14
4881797 Color liquid crystal display device Shigeo Aoki, Katsumi Miyake 1989-11-21
4867537 Color liquid crystal display device Shigeo Aoki, Katsumi Miyake 1989-09-19
4687298 Forming an opaque metal layer in a liquid crystal display Shigeo Aoki, Katsumi Miyake, Kotaro Okamoto 1987-08-18