TT

Tokuhiko Tamaki

Sumitomo Electric Industries: 5 patents #37 of 1,892Top 2%
Overall (1994): #2,392 of 165,921Top 2%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5345145 Method and apparatus for generating highly dense uniform plasma in a high frequency electric field Kenji Harafuji, Mitsuhiro Ohkuni, 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, Mitsuhiro Ohkuni, Noboru Nomura, Ichiro Nakayama 1994-07-26
5330606 Plasma source for etching Masafumi Kubota, Noboru Nomura 1994-07-19
5318668 Dry etching method Shinichi Imai, Tadashi Kimura, Yoshimasa Inamoto 1994-06-07
5296095 Method of dry etching Yutaka Nabeshima 1994-03-22