Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876639 | Mounting structure of valve plate with respect to valve rod | Takashi Nagao, Tsuyoshi Ochi, Hiroshi Ogawa | 2020-12-29 |
| 10539240 | Gate-valve attaching structure | Hiroshi Ogawa | 2020-01-21 |