Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974311 | Control valve | Satoru Okada | 2005-12-13 |
| 6971629 | Control valve and method of making the same | Satoru Okada, Takaaki Ichikawa | 2005-12-06 |
| 6840765 | Multi-layered heat treatment furnace, heat treatment unit, and method of heat treatment | — | 2005-01-11 |