Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960066 | Water pump with a hollow shaft, seal, and drain opening therein | Yojiro Koga, Itsuro Hashiguchi, Akihiro Katsumata, Takumi Hattori | 2005-11-01 |
| 6793459 | Water pump | Yoshiaki Nakano, Atsushi Chiba, Shuhei Yamazaki | 2004-09-21 |
| 6638015 | Water pump apparatus | Yasuo Ozawa, Junya Yamamoto, Takao Ozeki | 2003-10-28 |
| 6561756 | Water pump | Yasuo Ozawa, Atsushi Chiba, Junya Yamamoto | 2003-05-13 |
| 5899574 | Supporting structure of bearings | — | 1999-05-04 |
| 4991562 | Mechanical supercharger system | — | 1991-02-12 |
| 4823758 | Mechanical supercharger | Toru Tamura, Kazuharu Jinnouchi | 1989-04-25 |