TO

Tomohiro Okumura

Sumitomo Electric Industries: 3 patents #374 of 4,178Top 9%
Overall (2004): #18,861 of 270,089Top 7%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6830653 Plasma processing method and apparatus Yukihiro Maegawa, Izuru Matsuda, Takayuki Kai, Mitsuo Saitoh 2004-12-14
6808759 Plasma processing method and apparatus Hideo Haraguchi, Takuya Matsui, Izuru Matsuda, Akio Mitsuhashi 2004-10-26
6707253 Matching circuit and plasma processing apparatus Kenji Sumida, Yukihiro Maegawa, Ichiro Nakayama, Kibatsu Shinohara, Minoru Kanda +1 more 2004-03-16