YI

Yoshihiko Ishitaka

AC Alps Electric Co.: 3 patents #29 of 256Top 15%
📍 Rifu, JP: #17 of 201 inventorsTop 9%
Overall (2004): #17,697 of 270,089Top 7%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6808282 Light guide plate having anti-reflection layer and a method of manufacturing the same 2004-10-26
6806922 Surface light-emitting device having light-guide panel wherein light radiated from exit surface is maximized proximate to normal direction of exit surface 2004-10-19
6693683 Photo-conductor plate reduced in light reflection, and surface emitting device and liquid crystal display unit using it 2004-02-17