YT

Yoshimasa Tsuchiya

DC Dainichiseika Color & Chemicals Mfg. Co.: 3 patents #88 of 376Top 25%
Overall (All Time): #1,576,495 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7611572 Pixel-forming colorant compositions and their use Atsushi Nogami, Takami Minami, Shigeru Sakamoto, Hisao Okamoto, Masanori Takakamo +2 more 2009-11-03
7553365 Water-based pigment dispersions, inkjet recording inks, and color filters Shigeru Sakamoto, Masanori Takakamo, Tohru Hosoda, Akio Yoshida, Michiei Nakamura +4 more 2009-06-30
7438999 Dispersants for organic pigments Hiroaki Saikatsu, Shigeru Sakamoto, Masanori Takakamo, Seishichi Sasaki, Hiromitsu Yanagimoto +2 more 2008-10-21