Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831886 | Optical head and optical head device | Hiroyuki Yamasaki, Yasushi Kobayashi | 2004-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831886 | Optical head and optical head device | Hiroyuki Yamasaki, Yasushi Kobayashi | 2004-12-14 |