Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434046 | Polishing composition and polishing method using the same | Tomohiko Akatsuka, Kazuya Sumita | 2016-09-06 |
| 8518297 | Polishing composition and polishing method using the same | Tomohiko Akatsuka, Kazuya Sumita | 2013-08-27 |