Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770989 | Linear motor having an improved stator and shifter | Naoomi Miyagawa | 2004-08-03 |
| 6772041 | Hardening equipment and hardening method | Masaki Itoh, Toshihiko Asari, Naoomi Miyagawa | 2004-08-03 |
| 6723947 | Laser beam hardening device | Masaki Itoh, Toshihiko Asari, Naoomi Miyagawa | 2004-04-20 |
| 6723949 | Laser beam machine | Tsunehiko Yamazaki, Naoomi Miyagawa, Hikaru Iryoda | 2004-04-20 |