Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476568 | Gas discharge lamp lighting device | Takahiro Urakabe, Akihiko Iwata | 2002-11-05 |
| 6445135 | Electric-discharge lamp control apparatus and electric-discharge lamp control method | — | 2002-09-03 |