Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9303772 | Diaphragm device and pressure regulating reservoir using the same | Kouji Aoba | 2016-04-05 |
| 9010362 | Pressure control reservoir with check valve | Kouji Aoba, Tomoo Harada, Noriaki Asechi | 2015-04-21 |
| 8215724 | Pressure regulating reservoir | Koji Aoba, Tomoo Harada | 2012-07-10 |