YF

Yoichi Fujikawa

SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
JD Japan Display: 2 patents #741 of 1,204Top 65%
Overall (All Time): #726,737 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9891458 Input-capable display device Sumio Utsunomiya, Takeshi Koshihara, Takeyoshi Ushiki 2018-02-13
9069401 Input-capable display device Sumio Utsunomiya, Takeshi Koshihara, Takeyoshi Ushiki 2015-06-30
7948179 Organic electroluminescence device having input function and electronic apparatus Takeshi Koshihara, Sumio Utsunomiya, Takeyoshi Ushiki 2011-05-24
7876037 Organic electroluminescence device having input function and electronic apparatus Takeshi Koshihara, Sumio Utsunomiya, Takeyoshi Ushiki 2011-01-25
7737637 Organic electroluminescence device having input function and electronic apparatus Takeshi Koshihara, Sumio Utsunomiya, Takeyoshi Ushiki 2010-06-15
7633566 Input-capable display device Sumio Utsunomiya, Takeshi Koshihara, Takeyoshi Ushiki 2009-12-15
7490973 Lighting device, electro-optical device and electronic apparatus Osamu Eda 2009-02-17