Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653854 | Method and apparatus for separating isotopes | Goro Miyamoto, Yoshio Murakami, Kenji Katsuki | 1997-08-05 |
| 5632597 | Thread groove type vacuum pump | Tetsuya Abe, Yoshio Murakami, Junichi Nakamura, Masashi Iguchi | 1997-05-27 |