Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653785 | Arc tube with pinch seal and dimensional relationship and method for forming the same | Michio Takagaki, Masaya Shido, Yukihiro Kobayakawa, Masayuki Umehara, Nobuyuki Kasuya +1 more | 2003-11-25 |
| 6616494 | Method and apparatus for supplying pellets to arc tube for discharge lamp | Akihiro Nagata, Kunio Fukai, Masakazu Nagasawa | 2003-09-09 |
| 6580200 | Discharge lamp and manufacturing method thereof | Shinichi Irisawa, Yoshitaka Ohshima | 2003-06-17 |