Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8398774 | Method of manufacturing organic light emitting device and vapor deposition system | Manabu Otsuka, Yuzo Tokunaga, Toshiaki Yoshikawa, Naoto Fukuda | 2013-03-19 |
| 7964037 | Deposition apparatus | Naoto Fukuda, Toshiaki Yoshikawa | 2011-06-21 |
| 7022867 | Silicon compound and method for making the same | Kazunori Ueno, Yomishi Toshida, Yuichi Hashimoto, Akihiro Senoo | 2006-04-04 |
| 6858325 | Organic compound and electroluminescent device using the same | Akihiro Senoo, Yomishi Toshida, Kazunori Ueno | 2005-02-22 |
| 6833200 | Luminescent device with a triarylamine compound | Akihiro Senoo, Yuichi Hashimoto, Kazunori Ueno, Shinichi Urakawa | 2004-12-21 |
| 6740430 | Organic luminescence device | Kazunori Ueno, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe | 2004-05-25 |
| 6661445 | Exposure apparatus with an array of light emitting devices | Noboru Koumura, Yukio Nagase, Yuichi Hashimoto, Akihiro Senoo, Kazunori Ueno | 2003-12-09 |
| 6583557 | Organic luminescent element | Yuichi Hashimoto, Yoichi Osato, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe +2 more | 2003-06-24 |
| 6583805 | Exposure unit for image forming apparatus using electrophotographic system, and electrophotographic image forming apparatus | Noboru Koumura, Yukio Nagase, Akihiro Senoo, Kazunori Ueno | 2003-06-24 |
| 6534198 | Silicon compound, method for making the same, and electroluminescent device using the same | Kazunori Ueno, Yomishi Toshida, Yuichi Hashimoto, Akihiro Senoo | 2003-03-18 |
| 6517957 | Organic compound and electroluminescent device using the same | Akihiro Senoo, Yomishi Toshida, Kazunori Ueno | 2003-02-11 |
| 6504565 | Light-emitting device, exposure device, and image forming apparatus | Izumi Narita, Noboru Koumura, Yukio Nagase | 2003-01-07 |
| 6436559 | Organic luminescence device | Kazunori Ueno, Akihiro Senoo | 2002-08-20 |
| 6344661 | Light emitting element array, exposure device and image forming apparatus | Yukio Nagase, Noboru Koumura, Izumi Narita | 2002-02-05 |
| 6301459 | Charging apparatus with first and second charging members | Harumi Ishiyama, Yasushi Sato, Hideyuki Yano, Tadashi Furuya, Yasunori Chigono | 2001-10-09 |
| 6301455 | Charging member, charging device and image forming apparatus wherein deposition of magnetic particles to a member to be charged is effectively prevented | Harumi Ishiyama, Yasushi Sato, Hideyuki Yano, Tadashi Furuya, Yasunori Chigono | 2001-10-09 |
| 6266074 | Light emitting apparatus with temperature control, exposure apparatus, and image forming apparatus | Noboru Koumura, Yukio Nagase, Izumi Narita | 2001-07-24 |
| 6236416 | Image forming apparatus featuring a plurality of light emission elements on a single chip | Masaki Kuribayashi, Yuichi Hashimoto, Akihiro Senoo, Kazunori Ueno, Hidetoshi Tsuzuki | 2001-05-22 |
| 6215244 | Stacked organic light emitting device with specific electrode arrangement | Masaki Kuribayashi, Yuichi Hashimoto, Akihiro Senoo, Kazunori Ueno | 2001-04-10 |
| 6188420 | Image forming apparatus | Masaki Kuribayashi, Noboru Koumura, Yukio Nagase, Izumi Narita | 2001-02-13 |
| 6121994 | Image forming apparatus and light emitting apparatus | Masaki Kuribayashi, Noboru Koumura, Yukio Nagase, Izumi Narita | 2000-09-19 |
| 6061539 | Charging member, charging device and image forming apparatus | Harumi Ishiyama, Yasushi Sato, Hideyuki Yano, Tadashi Furuya, Yasunori Chigono | 2000-05-09 |
| 6017644 | Organic compound, its polymer and light emitting device | Yomishi Toshida, Akihiro Senoo, Kazunori Ueno | 2000-01-25 |
| 5754927 | Magnetic charging brush having particular magnetic fields | Harumi Ishiyama, Tadashi Furuya, Takeo Yamamoto, Yasunori Chigono | 1998-05-19 |
| 5747207 | Electrophotographic apparatus with charge injection layer on photosensitive member | — | 1998-05-05 |