Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6707239 | Arc tube including step-down plane portions in pinch seal area | Akihiro Nagata, Hiroshi Goto, Shinichi Irisawa | 2004-03-16 |
| 6672923 | Method of manufacturing arc tube | Nobuo Ohkawai, Akihiro Nagata, Shinichi Irisawa | 2004-01-06 |