Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586250 | Lamp having an arc tube protected from breakage | Shiro Iida, Yoshinori Kakuno | 2009-09-08 |
| 7479049 | Manufacturing method of arc tube having a glass tube of a flat-spiral shape, arc tube, and fluorescent lamp | — | 2009-01-20 |