Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247665 | Seal structure with annular packing | — | 2025-03-11 |
| 10808693 | Reciprocating pump | — | 2020-10-20 |
| D591311 | Reciprocating pump | — | 2009-04-28 |
| D538824 | Reciprocating pump | — | 2007-03-20 |
| D495342 | Reciprocating pump | Toshiaki Ohnishi | 2004-08-31 |
| 6053091 | Plunger pump | — | 2000-04-25 |
| D354495 | Reciprocating pump | — | 1995-01-17 |
| 4875690 | Seal device for reciprocating pump | — | 1989-10-24 |