Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914386 | Method of controlling a gate valve | Tomohiro Sawahata, Hideaki Nagai, Mitsuhiro Ikeda | 2021-02-09 |
| 10746307 | Method of controlling a gate valve | Hideaki Nagai, Tomohiro Sawahata, Shuichi Araki, Yoshinori Tobita, Mitsuhiro Ikeda | 2020-08-18 |