Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762559 | High-pressure mercury discharge lamp and lighting apparatus using the lamp | Satoko Ishikawa, Ichiro Tanaka, Hisashi Yoshida | 2004-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762559 | High-pressure mercury discharge lamp and lighting apparatus using the lamp | Satoko Ishikawa, Ichiro Tanaka, Hisashi Yoshida | 2004-07-13 |