Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979746 | (1,4-phenylene)bis(methylene) phosphonic acid esters and (1,4-phenylene)bis(methylene) triphenyl phosphonium salt compounds | Mari Ichimura, Tadashi Ishibashi, Ichinori Takada | 2005-12-27 |
| 6972334 | Bathophenathroline compound and process for preparing same | Tetsuo Shibanuma, Yasunori Kijima, Nobutoshi Asai | 2005-12-06 |
| 6916552 | Organic electroluminescent device and display unit | Naoyuki Ueda, Ichinori Takada, Tetsuo Shibanuma, Mari Ichimura | 2005-07-12 |
| 6906217 | Aminostyrylanthracene compound, synthetic intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2005-06-14 |
| 6897341 | Bis(aminostyryl)naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2005-05-24 |
| 6806641 | Light-emitting device and its use | Naoyuki Ueda, Yasunori Kajima | 2004-10-19 |
| 6800382 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2004-10-05 |
| 6790974 | Bis(aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2004-09-14 |
| 6790975 | Aminostyrylanthracene compound, synthetic intermediate thereof, and process for the production thereof | Mari Ichimura, Tadashi Ishibashi | 2004-09-14 |
| 6774257 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2004-08-10 |
| 6765108 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2004-07-20 |
| 6727379 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2004-04-27 |
| 6727041 | Optical recording media | Mitsuaki Oyamada | 2004-04-27 |
| 6680131 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2004-01-20 |
| 6633122 | Electroluminescence device with multiple laminated bodies having common materials and process for producing the same | Yasunori Kijima | 2003-10-14 |
| 6593012 | Organic electroluminescent deivce | Tadashi Ishibashi, Mari Ichimura | 2003-07-15 |
| 6555254 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2003-04-29 |
| 6525212 | Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates | Mari Ichimura, Tadashi Ishibashi, Ichinori Takada | 2003-02-25 |
| 6524728 | Organic electroluminescent device | Yasunori Kijima, Tetsuo Shibanuma, Nobutoshi Asai | 2003-02-25 |
| 6495274 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2002-12-17 |
| 6492557 | Bis (aminostyryl) naphthalene compound, synthesis intermediate thereof, and process for production thereof | Mari Ichimura, Tadashi Ishibashi | 2002-12-10 |
| 6479171 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2002-11-12 |
| 6410168 | Organic electroluminescence element | — | 2002-06-25 |
| 6410167 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2002-06-25 |
| 6338910 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2002-01-15 |