Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255784 | Polishing method and electropolishing apparatus | Shuzo Sato, Takeshi Nogami, Masao Ishihara | 2007-08-14 |
| 7186322 | Methods of producing and polishing semiconductor device and polishing apparatus | Shuzo Sato, Yuji Segawa, Akira Yoshio, Hiizu Ootorii, Masao Ishihara +2 more | 2007-03-06 |
| 7156975 | Polishing method and electropolishing apparatus | Shuzo Sato, Takeshi Nogami, Masao Ishihara | 2007-01-02 |
| 6846227 | Electro-chemical machining appartus | Shuzo Sato, Masao Ishihara, Hiizu Ootorii, Takeshi Nogami, Naoki Komai | 2005-01-25 |
| 6797623 | Methods of producing and polishing semiconductor device and polishing apparatus | Shuzo Sato, Yuji Segawa, Akira Yoshio, Hiizu Ootorii, Masao Ishihara +2 more | 2004-09-28 |