RY

Ryoichi Yokoyama

SC Sanyo Electric Co.: 4 patents #26 of 705Top 4%
Overall (2002): #12,454 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6451636 Semiconductor device and display device having laser-annealed semiconductor element Yasuo Segawa, Kiyoshi Yoneda, Tsutomu Yamada 2002-09-17
6433486 Color electroluminescence display device 2002-08-13
6429599 Color electroluminescence display device 2002-08-06
6366026 Electroluminescence display apparatus Yoshinori Saito 2002-04-02