Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639887 | Optical apparatus with laser light receiver and focus error generator in the same layer | — | 2003-10-28 |
| 6519379 | Optical integrated device and manufacturing method thereof | Kiyoshi Takei | 2003-02-11 |