Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668334 | Tone data recording and reproducing device | Hironai Kobayashi, Takashi Hirakata, Kazuhiro Gotoh, Yoshio Fujita | 1997-09-16 |
| 5615189 | Digital audio synchronous player | — | 1997-03-25 |