Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9691631 | Etching method and storage medium | Satoshi TODA, Hiroyuki Takahashi, Kimihiko DEMICHI | 2017-06-27 |
| 9613823 | Etching method and storage medium | Kimihiko DEMICHI, Hiroyuki Takahashi | 2017-04-04 |