YA

Yoshifumi Arai

SE Seiko Epson: 26 patents #612 of 7,774Top 8%
TC Toyo Ink Mfg. Co.: 5 patents #35 of 499Top 8%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #118,920 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
7345787 Accuracy of color conversion profile Takashi Ito 2008-03-18
5929906 Color correcting method and apparatus Shiro Usui 1999-07-27
5771311 Method and apparatus for correction of color shifts due to illuminant changes 1998-06-23
5559604 Color matching apparatus for reproducing the same color under different illuminants 1996-09-24
5546195 Apparatus for reproducing color images 1996-08-13
5386496 Method and device for nonlinear transformation of colour information by neural network Yoshiki Nakano 1995-01-31