Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471479 | Treatment device and exhaust switching device therefor, and exhaust switching unit and switching valve box | Toshihito MORIOKA, Hideaki Higuchi, Tsutomu Kojima | 2019-11-12 |
| 10364901 | Vacuum gate valve | — | 2019-07-30 |