Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922420 | Method of controlling hardening with laser beam and laser beam hardening device | Tsunehiko Yamazaki, Naoomi Miyagawa, Toshihiko Inoue, Masaaru Matsumura | 2005-07-26 |
| 6772041 | Hardening equipment and hardening method | Toshihiko Inoue, Masaki Itoh, Naoomi Miyagawa | 2004-08-03 |
| 6723947 | Laser beam hardening device | Toshihiko Inoue, Masaki Itoh, Naoomi Miyagawa | 2004-04-20 |