Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352279 | Rotary drive device and pump | Shinichirou Koreeda, Toshiaki Kamei, Hikaru Saitou, Masaya Ueno, Takuya SEKI | 2025-07-08 |
| 12345270 | Pump | Shinichirou Koreeda, Toshiaki Kamei, Takuya SEKI | 2025-07-01 |
| 11876431 | Magnetic bearing, drive device equipped with the same, and pump | Shinichirou Koreeda, Toshiaki Kamei, Takuya SEKI | 2024-01-16 |
| 10704547 | Volume pump including a bellows and a suction valve and a discharge valve wherein the valves comprise a valve seat and a valve body and wherein a fixed section of the valve body includes a communicating flow path | — | 2020-07-07 |
| 10550835 | Duplex reciprocating pump | — | 2020-02-04 |
| 9239047 | Bellows pump | Kyouhei Iwabuchi, Hiroyuki Tanabe, Atsushi Yoshida | 2016-01-19 |
| 6966339 | Spool valve arrangement | Tsuyoshi Watanabe, Tsutomu Sawada | 2005-11-22 |
| 6874997 | Pump system using a control fluid to drive a switching valve mechanism for an actuating fluid | Tsuyoshi Watanabe, Masao Morishita, Tsutomu Sawada | 2005-04-05 |
| 6814553 | Dual reciprocating bellows pump, with a pair of interlocking shafts passing through a common pump head and dual pump chambers | Tsuyoshi Watanabe, Tsutomu Sawada | 2004-11-09 |