Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434622 | Polishing tool and polishing method for member having curved surface shape | Yutaka Niwano, Hitoshi Morinaga, Kazusei Tamai | 2019-10-08 |
| 8827771 | Polishing composition and polishing method using the same | Taira Otsu | 2014-09-09 |
| 6309434 | Polishing composition and method for producing a memory hard disks | — | 2001-10-30 |
| 6190443 | Polishing composition | Hitoshi Kodama, Noritaka Yokomichi | 2001-02-20 |
| 5997620 | Polishing composition | Hitoshi Kodama, Hideki Otake | 1999-12-07 |