Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665130 | Objective lens, optical pickup apparatus and recording and/or reproducing apparatus | — | 2003-12-16 |
| 6657531 | Fuse circuit using capacitors as fuse elements | Masaru Koyanagi | 2003-12-02 |
| 6577551 | Semiconductor integrated circuit having a built-in data storage circuit for nonvolatile storage of control data | Mikihiko Ito, Masaru Koyanagi, Takahiko Hara, Satoru Takase | 2003-06-10 |
| 6512640 | Objective lens for pickup and light pickup apparatus | Kohei Ota | 2003-01-28 |