TO

Tamotu Oka

MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
Overall (All Time): #1,670,136 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4813806 Welding beveling of T-joint Nagio Minami 1989-03-21
4754118 Method for fabricating a structural assembly having narrow gaps Yasuhiro Fukaya, Nagio Minami, Hiroshi Ishitani, Hiroshi Kondo, Toshihiko Ohshita +1 more 1988-06-28
4287405 Process and apparatus for exhausting fumes produced by arc welding Takashi Ohmae, Yasuhiro Fukaya, Yasuyuki Yoshida, Masahiko Sato, Masazumi Nagareda 1981-09-01