Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639165 | Method of operating pump and bearing device for pump | Kohji Aizawa, Akira Yamaguchi, Shigenobu Nagasawa, Kunio Takada, Yoshiaki Chiba | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639165 | Method of operating pump and bearing device for pump | Kohji Aizawa, Akira Yamaguchi, Shigenobu Nagasawa, Kunio Takada, Yoshiaki Chiba | 1997-06-17 |