Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646924 | Recording and simultaneous verifying method of phase-changing type of information recording medium | Osamu Nonoyama, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Katsuyuki Yamada +2 more | 1997-07-08 |