Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771024 | Fluorescent lamp | Masatoshi Sudou, Toshiyoshi Oga, Toshifumi Kondoh | 2004-08-03 |
| 6672765 | Direct drive bearing mechanism | Shigekazu Nagai, Akio Saitoh, Koji Sugano | 2004-01-06 |