Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4529209 | Hydraulic machine shaft seal with centrifugal removal of sand and soil particles | Katsutoshi Nii, Kinpei Okano | 1985-07-16 |
| 4416555 | Bearing system for vertical type rotary machine | Kinpei Okano, Masanori Matsuo, Akira Hasegawa, Akira Kitamura | 1983-11-22 |
| 4291926 | Guide bearing device | Kinpei Okano, Masanori Matsuo, Yosio Furukawa | 1981-09-29 |
| 4190396 | Sodium turbine pump | Masaaki Nakano, Akira Suzuki, Shizuichi Sakamoto | 1980-02-26 |