Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683413 | High pressure discharge lamp of the short arc type | Keisuke Okubo, Mitsuru Ikeuchi | 2004-01-27 |
| 6489723 | Ultra-high pressure mercury lamp | — | 2002-12-03 |
| 6271627 | Sealing body having a shielding layer for hermetically sealing a tube lamp | Yukihiro Morimoto, Kazuyuki Mori, Kenichi Mituhashi | 2001-08-07 |