Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798988 | Optical pickup unit capable of reading signals recorded on different types of optical disks | — | 1998-08-25 |
| 5663841 | Optical pickup device having a magnetic circuit whose poles are configured along a common path within one pole within a focus coil | Taichi Akiba, Osamu Ueda, Shigeyuki Sasanuma | 1997-09-02 |
| 5530843 | Logic description conversion apparatus and a logic description conversion method | — | 1996-06-25 |