Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6149860 | Carburization and quenching apparatus | Taichiro Furukawa, Shingo Mizoguchi, Masanori Ichikawa, Yukio Hashimoto | 2000-11-21 |
| 5667603 | Hardening process and apparatus for holed flat parts | Masanori Ichikawa, Katsumasa Toyoda, Shinichi Takizawa | 1997-09-16 |