Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632597 | Thread groove type vacuum pump | Seiji Hiroki, Tetsuya Abe, Yoshio Murakami, Junichi Nakamura | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632597 | Thread groove type vacuum pump | Seiji Hiroki, Tetsuya Abe, Yoshio Murakami, Junichi Nakamura | 1997-05-27 |