Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711902 | Flow dividing valve | Tsuyoshi Tanikawa, Keisuke Ishibashi, Tadayuki Yakushijin, Michio Yamaji, Ryousuke Dohi +1 more | 2020-07-14 |
| D885859 | Wrench | Keisuke Ishibashi, Hirokatsu Maeda, Tadayuki Yakushijin | 2020-06-02 |