Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731678 | Digital data recording and reproducing method | — | 1988-03-15 |
| 4549167 | Method of encoding and decoding binary data | Misao Kato, Yasuharu Shimeki, Hiroshi Matsushima | 1985-10-22 |