Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8287981 | Metal diaphragm | Toshiharu Shimizu, Shinichi Sugahara | 2012-10-16 |
| 7566205 | Reciprocating pump and check valve | — | 2009-07-28 |
| 7114929 | Reciprocating pump and check valve | — | 2006-10-03 |
| 6846166 | Reciprocating diaphragm pump with degassing valves | — | 2005-01-25 |