Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565225 | Bar-shaped light guide, beam lighting device using the bar-shaped light guide, and surface lighting device using the beam lighting device | Koji Mabuchi, Youichiro Goto, Toru Nose | 2003-05-20 |
| 6502948 | Surface lighting device | — | 2003-01-07 |