Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9989898 | Rubbing unit, fixing device, image forming apparatus, and maintenance method of fixing device | Motoki Ohta | 2018-06-05 |
| 7208234 | Organic EL element and method of manufacturing the same, organic EL display device using the element, organic EL material, and surface emission device and liquid crystal display device using the material | — | 2007-04-24 |
| 7153592 | Organic EL element and method of manufacturing the same, organic EL display device using the element, organic EL material, and surface emission device and liquid crystal display device using the material | — | 2006-12-26 |
| 6977464 | Organic EL device and manufacturing method for the same | — | 2005-12-20 |
| 6846580 | Organic luminous material and organic light-emitting device | Masashi Kijima, Hideki Shirakawa, Ikuo Kinoshita | 2005-01-25 |