Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174527 | Heat-treatment apparatus and heat-treatment method | Takeaki Kozono, Yusuke Hasuo, Shin Matsuda | 2021-11-16 |
| 8317939 | Method of gas carburizing | — | 2012-11-27 |
| 7833471 | Carburizing apparatus and carburizing method | Ryosuke Yamamoto | 2010-11-16 |
| 7416614 | Method of gas carburizing | — | 2008-08-26 |
| 7029540 | Method of gas carburizing | Tomoyuki Ishibashi, Shohei Tsuji | 2006-04-18 |