Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11092246 | Gate valve | Shinichi Wada, Kouji Shibayama, Takuya Wade, Harukuni Furuse, Jirou Endo +3 more | 2021-08-17 |
| 10895258 | Vacuum pump | Kenji Hashimoto, Koji Shibayama, Toshio Suzuki | 2021-01-19 |