Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456436 | Optical device | Ippei Sawaki | 2002-09-24 |
| 6437479 | Surface acoustic wave device | Takashi Matsuda, Osamu Ikata | 2002-08-20 |
| 6396636 | Optical device and display device using the same | Ippei Sawaki, Fumitaka Abe | 2002-05-28 |