Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989885 | Magnetic fluid retainer, and shaft sealer employing same | Masao Iwata, Kiyoshi Eguchi, Hiroshi Tsuchida | 1991-02-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989885 | Magnetic fluid retainer, and shaft sealer employing same | Masao Iwata, Kiyoshi Eguchi, Hiroshi Tsuchida | 1991-02-05 |