Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485021 | Mechanical seal unit with temporarily connecting inlet and outlet grooves | Soichiro Osaki | 2002-11-26 |
| 4973222 | Pump | Sannojo Osaki | 1990-11-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485021 | Mechanical seal unit with temporarily connecting inlet and outlet grooves | Soichiro Osaki | 2002-11-26 |
| 4973222 | Pump | Sannojo Osaki | 1990-11-27 |