Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794818 | Fluorescent lamp | Kouichi Kitagawa, Takashi Ueda | 2004-09-21 |
| 6750613 | High lamp-power lighting system and fluorescent lamp | Akio Kitada, Tadashi Shimizu | 2004-06-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794818 | Fluorescent lamp | Kouichi Kitagawa, Takashi Ueda | 2004-09-21 |
| 6750613 | High lamp-power lighting system and fluorescent lamp | Akio Kitada, Tadashi Shimizu | 2004-06-15 |