Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9685341 | Abrasive composition and method for producing semiconductor substrate | Yoshio Mori, Kohsuke Tsuchiya, Shuhei Takahashi | 2017-06-20 |
| 9650544 | Polishing composition, method for manufacturing polishing composition, and method for manufacturing polishing composition liquid concentrate | Kohsuke Tsuchiya | 2017-05-16 |