Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785828 | Sputtering target for producing optical recording medium | Katsuyuki Yamada, Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama +2 more | 1998-07-28 |
| 5736657 | Sputtering target | Yukio Ide, Hiroko Iwasaki, Yoshiyuki Kageyama, Yujiro Kaneko, Katsuyuki Yamada +2 more | 1998-04-07 |
| 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 |
| 5420833 | Magneto-optical recording medium having first and second magnetic layers | Motoharu Tanaka, Atsuyuki Watada, Masaetsu Takahashi, Toshiaki Tokita, Yoshiko Kurosawa | 1995-05-30 |
| 5142192 | Thin film electroluminescent element | Masaetsu Takahashi, Seiichi Oseto, Yoshiyuki Kageyama, Kenji Kameyama | 1992-08-25 |
| 4975338 | Thin film electroluminescence device | Yoshiyuki Kageyama, Seiichi Ohseto, Kenji Kameyama | 1990-12-04 |
| 4914348 | Electroluminescence multi-color display device | Kenji Kameyama, Seiichi Oseto, Yoshiyuki Kageyama | 1990-04-03 |