SA

Shinichi Azuma

TC Toyo Ink Mfg. Co.: 2 patents #112 of 499Top 25%
Overall (All Time): #2,268,677 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5610306 Process for the production of 6,13-dihydroquinacridones and apparatus for use for the production Hitoshi Maki, Shigeki Kato, Mikio Hayashi, Masatoshi Momose 1997-03-11
5318623 Process for producing metal phthalocyanine pigment Takashi Kano, Takanori Miyake, Hideo Shimizu 1994-06-07