Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043725 | Organic electroluminescence element | Nobutaka Akashi | 2011-10-25 |
| 5374489 | Organic electroluminescent device | Kunio Imai, Takeo Wakimoto, Yasuhiko Shirota, Hiroshi Inada | 1994-12-20 |
| 5296323 | Laminated organic photosensitive material with no interference fringes | Yousuke Matsui, Hisashi Izumi | 1994-03-22 |
| 5223362 | Laminated organic photosensitive material | Yosuke Matsui | 1993-06-29 |
| 5204200 | Laminated organic photosensitive material comprising an X-type nonmetal phthalocyanine in the charge generating layer | Yosuke Matsui | 1993-04-20 |
| 5079120 | Laminated organic photosensitive material | Hisashi Izumi, Yosuke Matsui, Toshiaki Kanzaki | 1992-01-07 |
| 4889785 | Electrophotographic light-sensitive material | Yosuke Matsui | 1989-12-26 |