HH

Hisao Hirayama

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Electronic Devices Co.: 4 patents #16 of 92Top 20%
HD Hitachi Display Devices: 1 patents #21 of 56Top 40%
HD Hitachi Displays: 1 patents #519 of 752Top 70%
📍 Mobara, JP: #231 of 731 inventorsTop 35%
Overall (All Time): #1,033,624 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7295263 Liquid crystal display backlight's light reflection treatment portion that directs light from the light source toward the LCD excluding a transmission region of the LC Yasuhisa Shiraishi, Akio Tezuka, Makoto Hasegawa 2007-11-13
6985131 Liquid crystal display device Tomoaki Kawada, Akio Tezuka, Toshitsugu Miyawaki, Masataka Natori 2006-01-10
6530671 Liquid crystal display Hitoshi Taniguchi, Yasuo Hira, Yuji Mori, Toshitsugu Miyawaki 2003-03-11
6334689 Liquid crystal display Hitoshi Taniguchi, Yasuo Hira, Yuji Mori, Toshitsugu Miyawaki 2002-01-01
5886759 Liquid crystal display device having a side edge type back light system with a hue layer in the vicinity of the light source Naohiro Mashino 1999-03-23