Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636001 | Organic electronic device and nonlinear device | Tatsundo Kawai, Kazunori Ueno | 2003-10-21 |
| 6586119 | Luminescent device | Yuichi Hashimoto, Yomishi Toshida, Kazunori Ueno | 2003-07-01 |
| 6583805 | Exposure unit for image forming apparatus using electrophotographic system, and electrophotographic image forming apparatus | Seiji Mashimo, Noboru Koumura, Yukio Nagase, Kazunori Ueno | 2003-06-24 |
| 6583557 | Organic luminescent element | Yuichi Hashimoto, Yoichi Osato, Koichi Suzuki, Hiroshi Tanabe, Kazunori Ueno +2 more | 2003-06-24 |
| 6534198 | Silicon compound, method for making the same, and electroluminescent device using the same | Kazunori Ueno, Yomishi Toshida, Yuichi Hashimoto, Seiji Mashimo | 2003-03-18 |
| 6517957 | Organic compound and electroluminescent device using the same | Yomishi Toshida, Kazunori Ueno, Seiji Mashimo | 2003-02-11 |
| 6461748 | Organic luminescence device with spiro compound having silicon spiro atom | Koichi Suzuki, Yuichi Hashimoto, Kazunori Ueno | 2002-10-08 |
| 6461749 | Organic boron compound, process for producing the compound and organic luminescence device using the compound | Kazunori Ueno, Koichi Suzuki, Hiroshi Tanabe, Seiichi Yogi | 2002-10-08 |
| 6458476 | Organic luminescence device with spiro compound | Koichi Suzuki, Yuichi Hashimoto, Kazunori Ueno | 2002-10-01 |
| 6436559 | Organic luminescence device | Kazunori Ueno, Seiji Mashimo | 2002-08-20 |
| 6373455 | Electroluminescence device, electroluminescence apparatus, and production methods thereof | Masaki Kuribayashi, Yuichi Hashimoto, Kazunori Ueno, Hidetoshi Tsuzuki | 2002-04-16 |
| 6236416 | Image forming apparatus featuring a plurality of light emission elements on a single chip | Masaki Kuribayashi, Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo, Hidetoshi Tsuzuki | 2001-05-22 |
| 6228546 | Polymer, electrophotographic photosensitive member containing the polymer, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Yoshio Kashizaki, Kunihiko Sekido | 2001-05-08 |
| 6215244 | Stacked organic light emitting device with specific electrode arrangement | Masaki Kuribayashi, Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo | 2001-04-10 |
| 6175345 | Electroluminescence device, electroluminescence apparatus, and production methods thereof | Masaki Kuribayashi, Yuichi Hashimoto, Kazunori Ueno, Hidetoshi Tsuzuki | 2001-01-16 |
| 6017644 | Organic compound, its polymer and light emitting device | Yomishi Toshida, Kazunori Ueno, Seiji Mashimo | 2000-01-25 |
| 6016037 | Electroluminescence apparatus and driving method thereof | Masaki Kuribayashi, Yuichi Hashimoto, Kazunori Ueno, Hidetoshi Tsuzuki | 2000-01-18 |
| 5629116 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Yoshio Kashizaki, Masato Tanaka | 1997-05-13 |
| 5616442 | Electrophotographic photosensitive member and electrophotographic apparatus using same | Tetsuro Kanemaru, Toshihiro Kikuchi, Kouichi Nakata | 1997-04-01 |
| 5604061 | Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus | Kunihiko Sekido, Hajime Miyazaki, Yoshio Kashizaki | 1997-02-18 |
| 5510218 | Electrophotographic photosensitive member, process cartridge using same and electrophotographic apparatus | Kouichi Nakata, Toshihiro Kikuchi, Tetsuro Kanemaru | 1996-04-23 |
| 5486439 | Electrophotographic with polycarbonate having charge transporting group | Teigo Sakakibara, Kiyoshi Sakai, Toshihiro Kikuchi | 1996-01-23 |
| 5464718 | Electrophotographic photosensitive member, process cartridge including same and electrophotographic apparatus | Yoshio Kashizaki, Masato Tanaka | 1995-11-07 |
| 5415962 | Electrophotographic photosensitive member, electrophotographic apparatus using same and device unit using same | Tetsuro Kanemaru, Toshihiro Kikuchi, Takakazu Tanaka | 1995-05-16 |
| 5262261 | Photosensitive member for electrophotography | Toshihiro Kikuchi, Tetsuro Kanamaru, Ryoji Yashiro | 1993-11-16 |