Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852429 | Organic electroluminescent device based on pyrene derivatives | Xiao Li, Yoshimasa Okamura, Masashi Tashiro, Hideki Tashiro, G. K. Surya Prakash | 2005-02-08 |
| 6841270 | Organic light-emitting device having pyrylium salt as charge transport material | Xiao Li, Akihito Saitoh, Hiroshi Tanabe, Tadashi Okamoto | 2005-01-11 |
| 6833200 | Luminescent device with a triarylamine compound | Akihiro Senoo, Yuichi Hashimoto, Seiji Mashimo, Shinichi Urakawa | 2004-12-21 |
| 6830834 | Organic light emitting devices with host-guest bonding | Xiao Li, Jian Ping Chen | 2004-12-14 |
| 6740430 | Organic luminescence device | Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Seiji Mashimo | 2004-05-25 |
| 6699599 | Deuterated semi-conducting organic compounds used for opto-electronic devices | Xiao Li | 2004-03-02 |
| 6686067 | Deuterated semi-conducting organic compounds used for opto-electronic devices | Xiao Li | 2004-02-03 |
| 6677060 | Deuterated semi-conducting organic compounds used for opto-electronic devices | Xiao Li | 2004-01-13 |
| 6664731 | Charge injection type light emitting device | Yuichi Hashimoto, Tatsundo Kawai | 2003-12-16 |
| 6661445 | Exposure apparatus with an array of light emitting devices | Seiji Mashimo, Noboru Koumura, Yukio Nagase, Yuichi Hashimoto, Akihiro Senoo | 2003-12-09 |
| 6652997 | Organic luminescence device | Koichi Suzuki, Mizuho Hiraoka, Akihiro Senoo | 2003-11-25 |
| 6636001 | Organic electronic device and nonlinear device | Tatsundo Kawai, Akihiro Senoo | 2003-10-21 |
| 6586119 | Luminescent device | Yuichi Hashimoto, Akihiro Senoo, Yomishi Toshida | 2003-07-01 |
| 6583805 | Exposure unit for image forming apparatus using electrophotographic system, and electrophotographic image forming apparatus | Seiji Mashimo, Noboru Koumura, Yukio Nagase, Akihiro Senoo | 2003-06-24 |
| 6583557 | Organic luminescent element | Yuichi Hashimoto, Yoichi Osato, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe +2 more | 2003-06-24 |
| 6579630 | Deuterated semiconducting organic compounds used for opto-electronic devices | Xiao Li | 2003-06-17 |
| 6534198 | Silicon compound, method for making the same, and electroluminescent device using the same | Yomishi Toshida, Yuichi Hashimoto, Akihiro Senoo, Seiji Mashimo | 2003-03-18 |
| 6517957 | Organic compound and electroluminescent device using the same | Akihiro Senoo, Yomishi Toshida, Seiji Mashimo | 2003-02-11 |
| 6461749 | Organic boron compound, process for producing the compound and organic luminescence device using the compound | Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Seiichi Yogi | 2002-10-08 |
| 6461748 | Organic luminescence device with spiro compound having silicon spiro atom | Koichi Suzuki, Yuichi Hashimoto, Akihiro Senoo | 2002-10-08 |
| 6458476 | Organic luminescence device with spiro compound | Koichi Suzuki, Yuichi Hashimoto, Akihiro Senoo | 2002-10-01 |
| 6457799 | Ink-jet printing method and apparatus printing reference images for determining change in image quality over time | Osamu Kanome, Takeo Eguchi | 2002-10-01 |
| 6436559 | Organic luminescence device | Akihiro Senoo, Seiji Mashimo | 2002-08-20 |
| 6373455 | Electroluminescence device, electroluminescence apparatus, and production methods thereof | Masaki Kuribayashi, Yuichi Hashimoto, Akihiro Senoo, Hidetoshi Tsuzuki | 2002-04-16 |
| 6350996 | Light emitting diode device | Tatsundo Kawai | 2002-02-26 |