Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190438 | Vacuum pump | Minoru Taniyama, Masahiro Mase, Takashi Nagaoka | 1993-03-02 |
| 4735550 | Turbo molecular pump | Takeshi Okawada, Shinjiro Ueda, Susumu Yamazaki, Masahiro Mase, Nobukatsu Arai | 1988-04-05 |
| 4732530 | Turbomolecular pump | Shinjiroo Ueda, Takeshi Okawada, Osami Matsushita | 1988-03-22 |