Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10558190 | Multi-mode-control apparatus for inner pressure of vacuum chamber and multi-mode-control method for inner pressure of vacuum chamber | Hideaki Nagai, Akira Iwamoto | 2020-02-11 |
| 9086165 | Gate valve in which amount of squeeze of sealing material is controllable | Hideaki Nagai, Shuichi Araki, Naomichi YAMAGUCHI | 2015-07-21 |