Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042130 | Optical driving device including a holder with a top face having a closed structure | Keiji Nakamura | 2011-10-18 |
| 7870572 | Objective lens driving apparatus, assembling method thereof and optical head | Keiji Nakamura | 2011-01-11 |