Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059504 | Optical pickup apparatus, optical recording medium driving apparatus, and signal recording/reproducing method | Eiichi Ueda | 2011-11-15 |
| 6980505 | Optical head apparatus including two light sources and one photodetector | Ryuichi Katayama, Eiichi Ueda | 2005-12-27 |