Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622639 | Heat treating apparatus | Hirofumi Kitayama, Toshimitu Shibata, Katsushin Miyagi | 1997-04-22 |
| 5478397 | Heat treating device | Toshimitsu Shibata, Naoya Kaneda | 1995-12-26 |