Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646924 | Recording and simultaneous verifying method of phase-changing type of information recording medium | Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi, Katsuyuki Yamada +2 more | 1997-07-08 |
| 5620767 | Light reflecting and heat dissipating material and optical information recording medium using the same | Makoto Harigaya, Yukio Ide, Yoshiyuki Kageyama, Hiroko Iwasaki | 1997-04-15 |
| 4944983 | Sloped substrate for a thermal head and method of manufacturing the same | Masahiro Kato | 1990-07-31 |