Issued Patents All Time
Showing 1–25 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175948 | Coloring material and color filter | Toshio Yoshihara, Kiyoshi Itou, Kazuhiko Nakamura, Minoru Furukawa, Zhimin Hao | 2007-02-13 |
| 7060843 | Electroluminescent devices comprising diketopyrrolopyrroles | Junji Otani, Hiroshi Yamamoto, Norihisa Dan, Robert Moretti | 2006-06-13 |
| 7041235 | Fluorescent diketopyrrolopyrrole analogues | Colin Morton, David Macdonald Smith | 2006-05-09 |
| 7001677 | Electroluminescent devices comprising diketopyrrolopyrroles | Junji Otani, Hiroshi Yamamoto, Norihisa Dan, Robert Moretti | 2006-02-21 |
| 6656985 | Coloring material and color filter | Toshio Yoshihara, Kiyoshi Itou, Kazuhiko Nakamura, Minoru Furukawa, Zhimin Hao | 2003-12-02 |
| 6486332 | Fluorescent pigments | Zhimin Hao, John S. Zambounis | 2002-11-26 |
| 6274065 | Process for the preparation of fluorescent compositions, fluorescent compositions and their use | Takashi Deno, Kunihiko Kodama, Brian Gerrard Devlin | 2001-08-14 |
| 6271401 | Fluorescent anthraquinoid pigments | Zhimin Hao, John S. Zambounis | 2001-08-07 |
| 6261359 | Fluorescent pigments | Zhimin Hao, John S. Zambounis | 2001-07-17 |
| 6248165 | Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles | Shivakumar Basalingappa Hendi, Fridolin Babler, Zhimin Hao | 2001-06-19 |
| 6180315 | Compositions for making structured color images and application thereof | Ulrich Schadeli, John S. Zambounis, Zhimin Hao, Henri Dubas | 2001-01-30 |
| 6160037 | Reactive extrusion of latent pigments | Johannes Leugs, Zhimin Hao | 2000-12-12 |
| 6146809 | Fluorescent host-guest-system | Brian Gerrard Devlin, Junji Otani, Kazuhiko Kunimoto, Sameer H. Eldin | 2000-11-14 |
| 6127549 | Fluorescent indigo pigments | Zhimin Hao, John S. Zambounis | 2000-10-03 |
| 6120944 | Highly transparent, color-pigmented high molecular weight material | Ulrich Schadeli, Eric Tinguely, Veronique Hall-Goulle, Heinz Wolleb, Zhimin Hao | 2000-09-19 |
| 6080516 | Fluorescent compositions and their use | Brian Gerrard Devlin, Junji Otani, Kazuhiko Kunimoto, Takashi Deno, Sameer H. Eldin | 2000-06-27 |
| 6048918 | Polymerizable diketopyrrolopyrroles and polymers prepared therewith | Sameer H. Eldin | 2000-04-11 |
| 6040108 | Compositions for making structured color images and application thereof | Ulrich Schadeli, John S. Zambounis, Zhimin Hao, Henri Dubas | 2000-03-21 |
| 6036766 | Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles | Shivakumar Basalingappa Hendi, Fridolin Babler, Zhimin Hao | 2000-03-14 |
| 6013777 | Process for the preparation of fluorescent pigments | Zhimin Hao, John S. Zambounis | 2000-01-11 |
| 6013776 | Fluorescent azo pigments | Zhimin Hao, John S. Zambounis | 2000-01-11 |
| 6013307 | Method of producing forgery-proof colored printed articles | Hanspeter Hauser, Werner Helmut Gerber, Pierre Maurer | 2000-01-11 |
| 5973146 | Process for the preparation of aminated diketobis (aryl or heteroaryl)pyrrolopyrroles and the use thereof as photoconductive substances | Alain C. Rochat, Olof Wallquist, Jin Mizuguchi | 1999-10-26 |
| 5969154 | Liquid crystalline diketopyrrolopyrroles | Zhimin Hao, Nancy Tebaldi, Klaus Praefcke | 1999-10-19 |
| 5886160 | Fluorescent pigments | Zhimin Hao, John S. Zambounis | 1999-03-23 |