Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974360 | Method of producing an arc tube for a discharge lamp device | Kunio Fukai, Hiroshi Goto, Yoshihiro Mochizuki, Yukihiro Yoshida, Takeshi Fukuyo | 2005-12-13 |
| 6918808 | Arc tube for discharge lamp and method for producing the same | Takeshi Fukuyo, Yoshitaka Oshima | 2005-07-19 |
| 6903510 | Arc tube having compressive stress and method for manufacture of an arc tube | Yoshitaka Ohshima, Akihiro Nagata, Hiroshi Goto | 2005-06-07 |
| 6891332 | Arc tube capable of preventing occurrence of leak due to cracks and manufacturing method therefore | Yoshitaka Ohshima | 2005-05-10 |