Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667603 | Hardening process and apparatus for holed flat parts | Masanori Ichikawa, Katsumasa Toyoda, Shinichi Takizawa | 1997-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667603 | Hardening process and apparatus for holed flat parts | Masanori Ichikawa, Katsumasa Toyoda, Shinichi Takizawa | 1997-09-16 |