Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10464002 | Centrifugal abatement separator | — | 2019-11-05 |
| 10309401 | Vacuum exhaust system and channel-switching valve used in this vacuum exhaust system | Nigel Paul Schofield, Katsumi Nishimura, Katsunori Takahashi | 2019-06-04 |
| 10203054 | Vacuum system pipe couplings | — | 2019-02-12 |