Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494156 | Pump | Koichi Maruyama, Junichi Aikawa, Naoto Yotsugi | 2016-11-15 |
| D700625 | Piston pump | Ryuji Itoyama, Norihiro Suzuki, Taisuke Osaka | 2014-03-04 |
| D619624 | Vacuum pump | Tsuneo Osaka | 2010-07-13 |