Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680380 | Data readout system for optical disk having maximum likelihood data detecting circuit | Haruhiko Izumi | 1997-10-21 |
| 5675565 | Data reproduction method and apparatus | Haruhiko Izumi | 1997-10-07 |
| 5661703 | Optical recording medium having a non-volatile identification code and method for encoding data using same | Mineo Moribe, Haruhiko Izumi, Iwao Tsugawa | 1997-08-26 |
| 5598392 | Data reproduction system synchronized by recording data | Haruhiko Izumi | 1997-01-28 |