RH

Ryoji Hamasaki

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
📍 Hikari, JP: #26 of 125 inventorsTop 25%
Overall (All Time): #1,028,162 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7565879 Plasma processing apparatus Saburo Kanai, Kazue Takahashi, Kouichi Okamura, Satoshi Ito 2009-07-28
7208422 Plasma processing method Saburo Kanai, Kazue Takahashi, Kouichi Okamura, Satoshi Ito 2007-04-24
6156663 Method and apparatus for plasma processing Katsuya Watanabe, Saburo Kanai, Tsuyoshi Yoshida, Yutaka Omoto, Masayuki Kojima +3 more 2000-12-05
5895586 Plasma processing apparatus and plasma processing method in which a part of the processing chamber is formed using a pre-fluorinated material of aluminum Tetsunori Kaji, Saburo Kanai, Satoshi Ito, Tetsuo Ono, Tatehito Usui +2 more 1999-04-20
5874012 Plasma processing apparatus and plasma processing method Saburo Kanai, Kazue Takahashi, Kouichi Okamura, Satoshi Ito 1999-02-23