Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499942 | Turbomolecular pump and vacuum apparatus | Manabu Nonaka, Takashi Okada | 2002-12-31 |
| 6454524 | Vacuum pump and vacuum apparatus | Takashi Okada, Manabu Nonaka | 2002-09-24 |
| 6419444 | Screw groove type vacuum pump, complex vacuum pump and vacuum pump system | Manabu Nonaka | 2002-07-16 |
| 6334754 | Turbomolecular pump | — | 2002-01-01 |