MT

Masao Tokita

SC Sumitomo Coal Mining Co.: 2 patents #1 of 13Top 8%
UN Unknown: 1 patents #273 of 2,925Top 10%
Overall (2003): #52,542 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6592798 Method for preparing eutectic ceramics Mamoru Omori, Toshio Hirai 2003-07-15
6515250 Electric joining method and apparatus and a joined unit of members Yoshito Miyasaka, Hitoshi Karasawa, Fumitake Nishiyama 2003-02-04