Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976910 | Polishing pad | Yukio Hosaka, Hiroshi Shiho, Nobuo Kawahashi | 2005-12-20 |
| 6855034 | Polishing pad for semiconductor wafer and laminated body for polishing of semiconductor wafer equipped with the same as well as method for polishing of semiconductor wafer | — | 2005-02-15 |
| 6848974 | Polishing pad for semiconductor wafer and polishing process using thereof | Yukio Hosaka | 2005-02-01 |