Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785828 | Sputtering target for producing optical recording medium | Katsuyuki Yamada, Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Hiroshi Deguchi +2 more | 1998-07-28 |
| 5761179 | Phase-change optical recording method using pulse width modulation technique | Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Michiharu Abe | 1998-06-02 |
| 5740149 | Phase-change type optical recording and reproducing method | Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Michiharu Abe | 1998-04-14 |
| 5736657 | Sputtering target | Yukio Ide, Hiroko Iwasaki, Yujiro Kaneko, Katsuyuki Yamada, Michiaki Shinotsuka +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, 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, Osamu Nonoyama, Hiroko Iwasaki | 1997-04-15 |
| 5298305 | Phase-change type information recording medium | Michiaki Shinozuka, Makoto Harigaya, Yukio Ide, Hiroko Iwasaki | 1994-03-29 |
| 5142192 | Thin film electroluminescent element | Masaetsu Takahashi, Seiichi Oseto, Kenji Kameyama, Hiroshi Deguchi | 1992-08-25 |
| 5095479 | Optical information recording medium | Makoto Harigaya, Yukio Ide, Hiroko Iwasaki | 1992-03-10 |
| 4975338 | Thin film electroluminescence device | Seiichi Ohseto, Kenji Kameyama, Hiroshi Deguchi | 1990-12-04 |
| 4914348 | Electroluminescence multi-color display device | Kenji Kameyama, Seiichi Oseto, Hiroshi Deguchi | 1990-04-03 |
| 4908292 | Method of making an electrophotographic inorganic photosensitive element using ultraviolet radiation | Yukio Ide, Kohichi Ohshima, Itaru Fujimura | 1990-03-13 |
| 4720436 | Electroluminescence devices and method of fabricating the same | Seiichi Ohseto, Kenji Kameyama | 1988-01-19 |
| 4707570 | Manual information input device | Yukio Ide, Teruyuki Ohnuma | 1987-11-17 |
| 4687723 | Electrophotographic photoconductor having a photosensitive layer of amorphous silicon carbonitride | Kohichi Ohshima, Yukio Ide, Itaru Fujimura, Masako Kunita | 1987-08-18 |
| 4600672 | Electrophotographic element having an amorphous silicon photoconductor | Itaru Fujimura, Yukio Ide, Masako Kunita | 1986-07-15 |