Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020969 | Turbo vacuum pump | Masahiro Mase, Seiji Sakagami, Shinjiroo Ueda, Yoshihisa Awada, Takashi Nagaoka | 1991-06-04 |
| 4735550 | Turbo molecular pump | Shinjiro Ueda, Susumu Yamazaki, Masahiro Mase, Nobukatsu Arai, Kazuaki Nakamori | 1988-04-05 |
| 4732530 | Turbomolecular pump | Shinjiroo Ueda, Osami Matsushita, Kazuaki Nakamori | 1988-03-22 |
| 4579508 | Turbomolecular pump | Nobuo Tsumaki, Shinjiro Ueda, Kousuke Noda, Hideki Izumi, Osami Matsushita | 1986-04-01 |