MO

Mitsuhiro Ohkuni

Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
Overall (All Time): #424,936 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7494827 Plasma etching method and plasma etching apparatus Keiichi Matsunaga 2009-02-24
7268083 Plasma etching apparatus and plasma etching process 2007-09-11
6582551 Apparatus for plasma etching having rotating coil responsive to slide valve rotation 2003-06-24
6409877 Apparatus and method for plasma etching 2002-06-25
6355183 Apparatus and method for plasma etching 2002-03-12
6274502 Method for plasma etching 2001-08-14
6210593 Etching method and etching apparatus Masafumi Kubota 2001-04-03
6187688 Pattern formation method Shunsuke Kugo, Tomoyuki Sasaki, Kenji Tateiwa, Hideo Nikoh 2001-02-13
5424905 Plasma generating method and apparatus Noboru Nomura, Kenji Harafuji, Masafumi Kubota, Tokuhiko Tamaki, Ichiro Nakayama 1995-06-13
5404079 Plasma generating apparatus Masafumi Kubota, Noboru Nomura, Ichiro Nakayama, Tokuhiko Tamaki 1995-04-04
5345145 Method and apparatus for generating highly dense uniform plasma in a high frequency electric field Kenji Harafuji, Tokuhiko Tamaki, Masafumi Kubota, Noboru Nomura 1994-09-06
5332880 Method and apparatus for generating highly dense uniform plasma by use of a high frequency rotating electric field Masafumi Kubota, Kenji Harafuji, Tokuhiko Tamaki, Noboru Nomura, Ichiro Nakayama 1994-07-26