KO

Koichi Ohtsu

SC Sakai Chemical Industry Co.: 3 patents #40 of 227Top 20%
Overall (All Time): #1,631,529 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5976511 Ultraviolet rays-absorbing composition and process for producing the same Noriaki Sato 1999-11-02
5858079 Strontium borate pigment composition, method of making same, and processes of imparting anti-corrosive, anti-bacterial/anti-fungal and non-flammable properties to materials by using same Taizo Kaihatsu 1999-01-12
5580377 Plate barium sulfate and process for producing the same Hirobumi Yoshida, Noriaki Sato 1996-12-03