YY

Yoshiyuki Yoshikawa

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
SC Sakai Chemical Industry Co.: 1 patents #121 of 227Top 55%
Overall (All Time): #3,759,144 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5582809 Catalyst and method for denitrization of nitrogen oxides Hiroaki Rikimaru, Toshikatsu Umaba 1996-12-10