RY

Ryoichi Yokoyama

SC Sanyo Electric Co.: 46 patents #25 of 6,347Top 1%
Samsung: 10 patents #13,191 of 75,807Top 20%
Kyocera: 7 patents #393 of 3,732Top 15%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
NE Nec: 1 patents #7,889 of 14,502Top 55%
RI Rigaku: 1 patents #152 of 239Top 65%
Overall (All Time): #32,794 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
6803896 Display device Michiru Senda 2004-10-12
6724149 Emissive display device and electroluminescence display device with uniform luminance Naoaki Komiya, Tsutomu Yamada, Ryuji Nishikawa 2004-04-20
6724443 Active matrix type display device Keiichi Sano, Norio Nakatani, Hiroshi Matsuda 2004-04-20
6690118 Color electroluminescence display device 2004-02-10
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
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
6281634 Color electroluminescence display device 2001-08-28
6236379 Active matrix panel and display device Mitsugu Kobayashi 2001-05-22
6198796 Method and apparatus of automatically selecting bragg reflections, method and system of automatically determining crystallographic orientation Jimpei Harada 2001-03-06
6159770 Method and apparatus for fabricating semiconductor device Masafumi Tetaka, Shinichiro Maki, Nobuo Ohyama, Seiichi Orimo, Hideharu Sakoda +8 more 2000-12-12
6157228 Data line driving circuit formed by a TFT based on polycrystalline silicon Masayuki Koga 2000-12-05
5410751 Controlling muting, high frequency components and blending to reduce FM noise 1995-04-25