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 |
| 6580200 | Discharge lamp and manufacturing method thereof | Takeshi Fukuyo, Shinichi Irisawa | 2003-06-17 |
| 6547619 | ARC tube for discharge lamp unit and method of manufacturing same | Nobuo Ohkawai, Shinichi Irisawa, Masakazu Nagasawa | 2003-04-15 |