Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790115 | Arc tube for discharge lamp and method of fabricating the same | Kunio Fukai | 2004-09-14 |
| 6739854 | Method and system for treating a power transmission belt/belt sleeve | Toshiaki Aragane, Takashi Hamada, Yoshiki Matsuura | 2004-05-25 |
| 6707239 | Arc tube including step-down plane portions in pinch seal area | Hiroshi Goto, Yoshitaka Ohshima, Shinichi Irisawa | 2004-03-16 |
| 6672923 | Method of manufacturing arc tube | Nobuo Ohkawai, Yoshitaka Ohshima, Shinichi Irisawa | 2004-01-06 |