Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266012 | Vibrating column pump | Hiroyuki Hashimoto, Toshiro Maekawa, Kazuyoshi Yamamoto | 1993-11-30 |
| 4920290 | Active magnetic bearing apparatus | Chikara Murakami, Atsushi Nakajima, Satoshi Inanaga, Katsuhide Watanabe | 1990-04-24 |
| 4910449 | System for preventing unbalance vibrations and synchronous disturbance vibrations | Katsuhide Watanabe | 1990-03-20 |
| 4885491 | Unstable vibration prevention apparatus for magnetic bearing system | Katsuhide Watanabe, Atsushi Nakajima, Chikara Murakami | 1989-12-05 |
| 4489951 | Mechanical seal | Tadashi Kataoka | 1984-12-25 |