YM

Yukihiro Maegawa

Sumitomo Electric Industries: 2 patents #693 of 4,178Top 20%
Overall (2004): #33,076 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6830653 Plasma processing method and apparatus Tomohiro Okumura, Izuru Matsuda, Takayuki Kai, Mitsuo Saitoh 2004-12-14
6707253 Matching circuit and plasma processing apparatus Kenji Sumida, Tomohiro Okumura, Ichiro Nakayama, Kibatsu Shinohara, Minoru Kanda +1 more 2004-03-16