Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6587224 | Image reading apparatus that can correct chromatic aberration caused by optical system and chromatic aberration correction method | Takayuki Nabeshima, Makoto Kumagai | 2003-07-01 |
| 6543573 | Speaker unit, speaker system, and speaker diaphragm manufacturing method | Yoshihisa Ishihara, Takeshi Aoki, Hirotoshi Kakuta | 2003-04-08 |