NK

Nagatoshi Kobayashi

DI Dic: 3 patents #189 of 844Top 25%
DC Dainippon Ink And Chemicals: 2 patents #241 of 1,002Top 25%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #993,653 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9714357 Phthalocyanine pigment composition and method for producing the same, and ink Hidehiro Otake, Taichi Hashiguchi 2017-07-25
7982019 Method for producing dry organic pigment Akihiro Ogata 2011-07-19
7708824 C. I. pigment red 57:1 and production process thereof Akihiro Ogata, Keiko Otsubo 2010-05-04
5803962 Disazo pigment composition and printing ink Sadayuki Tomioka, Shigeto Aoki, Hirohito Ando 1998-09-08
5084106 Monoazo lake pigment Hirohito Ando 1992-01-28