Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605896 | Low pressure mercury vapor discharge lamp and manufacturing method therefor | Junichi Takahashi, Takeshi Matsumura | 2003-08-12 |
| 6172452 | Low pressure mercury vapor discharge lamp with heat conductive component | Kenji Itaya, Shiro Iida, Kenji Nakano | 2001-01-09 |