Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804479 | Image forming apparatus with test pattern for image control | — | 2004-10-12 |
| 6715334 | Apparatus and method for manufacturing thick-walled bent pipe | Hiroyasu Fukushima | 2004-04-06 |