Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723188 | Steel workpiece oil quenching method | Saburo Ogawa, Kiyohiro Miyamoto | 2004-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723188 | Steel workpiece oil quenching method | Saburo Ogawa, Kiyohiro Miyamoto | 2004-04-20 |