Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11598346 | Water pump | Kenichi Komai | 2023-03-07 |
| 9777740 | Water pump | Atsushi Chiba, Megumi Onozuka | 2017-10-03 |
| 7396215 | Water pump | Yasuo Ozawa, Yojiro Koga, Atsushi Chiba | 2008-07-08 |
| 6960066 | Water pump with a hollow shaft, seal, and drain opening therein | Yojiro Koga, Masaki Chujo, Akihiro Katsumata, Takumi Hattori | 2005-11-01 |
| 5950577 | Water pump | Norio Sasaki, Mitsutoshi Hagiwara, Yasuo Ozawa | 1999-09-14 |
| 5842828 | Liquid pump | Yasuo Ozawa | 1998-12-01 |
| 5836271 | Water pump | Norio Sasaki, Mitsutoshi Hagiwara, Yasuo Ozawa | 1998-11-17 |
| 5797722 | Fluid pump | Norio Sasaki | 1998-08-25 |
| 5785491 | Liquid pump having a driving unit and a driven unit with a resilient seal therebetween | Yasuo Ozawa, Mitsutoshi Hagiwara | 1998-07-28 |