Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997778 | Polishing apparatus | Koji Ono, Kenichi Sasabe, Masato Kurita, Yasuhisa Kojima, Tadanori Egawa +1 more | 2006-02-14 |
| 6835116 | Polishing apparatus | Hideo Aizawa, Kenichi Shigeta, Yoshikuni Tateyama | 2004-12-28 |
| 6634924 | Polishing apparatus | Koji Ono, Kenichi Sasabe, Masato Kurita, Yasuhisa Kojima, Tadanori Egawa +1 more | 2003-10-21 |
| 6293846 | Polishing apparatus | — | 2001-09-25 |