Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712678 | Polishing-product discharging device and polishing device | Yutaka Wada, Hirokuni Hiyama, Hisanori Matsuo | 2004-03-30 |
| 6672945 | Polishing apparatus and dressing method | Hisanori Matsuo, Hirokuni Hiyama, Yutaka Wada | 2004-01-06 |