Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783439 | Method for manufacturing mirror surface tube for photosensitive drum of copying machine or the like | Kazuo Akagi, Akira Hashimoto | 2004-08-31 |
| 6322426 | Method for mirror process of external surface of long sized metal | Kazuo Akagi, Tomohisa Akiyoshi | 2001-11-27 |