Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997949 | External-electrode discharge lamp with no light leakage from external electrode portion | Maki Minamoto | 2011-08-16 |
| 7605541 | External-electrode discharge lamp with no light leakage from external electrode portion | Maki Minamoto | 2009-10-20 |
| 7215080 | External electrode type discharge lamp and method of manufacturing the same | Maki Minamoto | 2007-05-08 |
| 5117160 | Rare gas discharge lamp | Tsutomu Konda, Satoshi Tamura, Osamu Matsubara, Shodo Yoshida | 1992-05-26 |