Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514455 | Heating apparatus of a workpiece of distorted shape, and a quenching apparatus for simultaneous operation of multiple cams and a quenching method for the same | Hiyoshi Watanabe | 2003-02-04 |
| 6407372 | Eccentric driving apparatus | — | 2002-06-18 |