Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10753497 | Shutoff-opening device | Keisuke Ishibashi, Tsuyoshi Tanikawa, Michio Yamaji, Hidenori Kiso, Tsuneyuki Okabe +2 more | 2020-08-25 |
| 10711902 | Flow dividing valve | Tsuyoshi Tanikawa, Keisuke Ishibashi, Tadayuki Yakushijin, Michio Yamaji, Ryousuke Dohi +1 more | 2020-07-14 |