Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774382 | Fluorescent transilluminator requiring no visible light-cutting filter | — | 2004-08-10 |
| 6762559 | High-pressure mercury discharge lamp and lighting apparatus using the lamp | Satoko Ishikawa, Ichiro Tanaka, Hiromichi Kawashima | 2004-07-13 |
| 6749118 | Automatic ticket gate apparatus | Takashi Kobayashi, Yoshinori Muraoka | 2004-06-15 |
| 6731057 | Phosphors for fluorescent lamps | Maki Minamoto, Kazuya Ito, Yosuke Nishikage | 2004-05-04 |