Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030814 | Coupling guard | Wei Wei, Shoji Ito, Miwa Hidekura | 2018-07-24 |
| 9441787 | Rotatable apparatus | Seigo Kyo, Yoichi Nakamura | 2016-09-13 |
| 9239056 | Pump impeller and submersible pump having such pump impeller | Yoshiaki Miyazaki, Hiromi Sakacho, Masashi Obuchi, Yoichi Nakamura | 2016-01-19 |
| 9234624 | Shaft coupling guard and rotatable apparatus system | Yoichi Nakamura, Seigo Kyo | 2016-01-12 |
| 8491277 | Submersible motor pump, motor pump, and tandem mechanical seal | Chikara Makino, Shunichi Aiyoshizawa | 2013-07-23 |
| 7632065 | Centrifugal pump and method of manufacturing the same | Kikuichi Mori, Hiroyuki Kato | 2009-12-15 |
| 7540725 | Seal mechanism for fluid machine | Shoji Ito | 2009-06-02 |
| 7153097 | Centrifugal impeller and pump apparatus | Takashi Enomoto, Shoji Ito | 2006-12-26 |
| 6520745 | Performance regulating device for fluid machinery | Masakazu Yamamoto, Yoshio Miyake, Keita Uwai, Yoshiaki Miyazaki, Katsuji Iijima +1 more | 2003-02-18 |
| 6435836 | Fluid machinery | Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Keita Uwai, Yoshiaki Miyazaki +1 more | 2002-08-20 |
| 5888053 | Pump having first and second outer casing members | Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Koji Isemoto, Kaoru Yagi +3 more | 1999-03-30 |