SS

Shigeo Soejima

NI Ngk Insulators: 1 patents #7 of 23Top 35%
Overall (1982): #31,010 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4358428 Method of removing nitrogen oxides from waste gas by selective contact reduction Tadashi Fujita 1982-11-09