Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793373 | Bulb-type lamp and manufacturing method for the bulb-type lamp | Tetsuo Matsuba | 2004-09-21 |
| 6736526 | Bulb-type lamp and manufacturing method for the bulb-type lamp | Tetsuo Matsuba | 2004-05-18 |