Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480262 | Illumination optical apparatus for illuminating a mask, method of manufacturing and using same, and field stop used therein | Kinya Kato, Masaki Kato | 2002-11-12 |
| 6397808 | Engine starter having traction-drive type reduction gear and torque transmitting device for linking the reduction gear and driven shaft of engine | Takashi Aoki, Mikihiro Takano | 2002-06-04 |