Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871806 | Heat-treating process | Hideo Shoga, Yoshikazu Nagai, Masayuki Suzawa, Hiroshi Nagahama, Ko Yamaoka +1 more | 1999-02-16 |
| 5273585 | Heat-treating apparatus | Hideo Shoga, Yoshikazu Nagai, Masayuki Suzawa, Hiroshi Nagahama, Ko Yamaoka +1 more | 1993-12-28 |