Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38234 | Ultraviolet detector | Hidenaga Warashina | 2003-08-26 |
| 6548958 | Hollow cathode lamp | Toshio Ito, Jyunichi Imakama | 2003-04-15 |
| 6548959 | Discharge tube with substantially exposed cathode tip portion for use as a light source | Nobuharu Harada, Syoji Ishihara | 2003-04-15 |