Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496444 | Water-lifting pump apparatus and method of controlling operation thereof | Shinji Suzuki, Hideki Kanno, Takashi Enomoto, Masahiro Kuramasu | 2013-07-30 |
| 7874809 | Water-lifting pump apparatus and method for controlling operation thereof | Shinji Suzuki, Hideki Kanno, Takashi Enomoto, Masahiro Kuramasu | 2011-01-25 |
| 7013909 | Vacuum valve controller | Osamu Shimizu | 2006-03-21 |