Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669349 | Beam light source having a beam-shaped light guide | — | 2003-12-30 |
| 6565225 | Bar-shaped light guide, beam lighting device using the bar-shaped light guide, and surface lighting device using the beam lighting device | Youichiro Goto, Toru Nose, Nobuo Iwatsuki | 2003-05-20 |