Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742517 | Interleaving circuit | Yuji Takagi, Isao Satoh | 1988-05-03 |
| 4695993 | Optical information recording and reproducing apparatus and optical disc | Yuuji Takagi, Isao Satoh | 1987-09-22 |