RY

Ryoichi Yokoyama

SC Sanyo Electric Co.: 2 patents #83 of 745Top 15%
Overall (2003): #44,658 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6671023 Active matrix display device Yusuke Tsutsui, Takeo Yoshimura 2003-12-30
6590552 Method of driving liquid crystal display device Naoaki Komiya 2003-07-08