Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508865 | Heat exchanger | Shunji Itou | 2019-12-17 |
| 10449620 | Welding apparatus and welding method | — | 2019-10-22 |
| 10443600 | Gas estimation device and vacuum pumping device | Junichiro Kozaki | 2019-10-15 |
| 10400775 | Vacuum valve and vacuum pump | Junichiro Kozaki, Atsuo Nakatani, Nobuyuki Hirata | 2019-09-03 |