Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8604685 | Electric discharge tube, method for forming reflective film of electric discharge tube, and light emitting device | Yasushi Ogino, Toshiaki Murai | 2013-12-10 |
| 4866341 | Discharge lamp with base for sealing the lamp | Hiroyasu Ichiga, Nobuto Tsujikawa | 1989-09-12 |