RH

Ryouji Hamasaki

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
📍 Hikari, JP: #39 of 125 inventorsTop 35%
Overall (All Time): #1,597,125 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6849191 Method and apparatus for treating surface of semiconductor Tetsuo Ono, Tatsumi Mizutani, Tokuo Kure, Takafumi Tokunaga, Masayuki Kojima 2005-02-01
6767838 Method and apparatus for treating surface of semiconductor Tetsuo Ono, Tatsumi Mizutani, Tokuo Kure, Takafumi Tokunaga, Masayuki Kojima 2004-07-27
6235146 Vacuum treatment system and its stage Masanori Kadotani, Saburo Kanai, Youichi Itou, Takashi Fujii, Hironobu Kawahara +2 more 2001-05-22