Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8358571 | Optical pickup device | Kenji Nagatomi, Shinsei Kasahara, Masayuki Yoshie | 2013-01-22 |
| 8331211 | Optical pickup device | Kenji Nagatomi, Shinsei Kasahara, Masayuki Yoshie | 2012-12-11 |
| 8325580 | Optical pickup device | Kenji Nagatomi, Shinsei Kasahara, Masayuki Yoshie | 2012-12-04 |
| 8259552 | Optical pickup apparatus | — | 2012-09-04 |
| 7359293 | Optical pickup device | Yasuyuki Kanou | 2008-04-15 |