Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9035548 | Electron emission element, electron emission device, charge device, image forming device, electron radiation curing device, light-emitting device, image display device, blower device, cooling device, and manufacturing method for electron emission element | Toshihiro Kaneko, Tadashi Iwamatsu | 2015-05-19 |
| 8760056 | Electron emitting element, devices utilizing said element, and method for producing said element | Kanako Hirata, Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu | 2014-06-24 |
| 8616931 | Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element | Tadashi Iwamatsu, Hiroyuki Hirakawa, Yasuo Imura | 2013-12-31 |
| 8547007 | Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element | Tadashi Iwamatsu, Hiroyuki Hirakawa, Yasuo Imura | 2013-10-01 |
| 8476818 | Electron emitting element including a fine particle layer containing insulating particles, and devices and methods related thereto | Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu | 2013-07-02 |
| 8421331 | Electron emitting element and method for producing the same | Hiroyuki Hirakawa, Yasuo Imura, Kanako Hirata, Tadashi Iwamatsu | 2013-04-16 |
| 8378565 | Electron emitting element having an electron acceleration layer using fine particle layer | Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu | 2013-02-19 |
| 8299700 | Electron emitting element having an electron acceleration layer, electron emitting device, light emitting device, image display device, cooling device, and charging device | Tadashi Iwamatsu, Hiroyuki Hirakawa, Yasuo Imura | 2012-10-30 |
| 8293446 | Resin-coated carrier method of manufacturing the same, two-component developer including resin-coated carrier, developing device and image forming apparatus | Osamu Wada, Takanori Kamoto, Nobuyuki Yoshioka, Tadashi Iwamatsu | 2012-10-23 |
| 8249487 | Electron emitting element, electron emitting device, charging device, image forming apparatus, electron-beam curing device, light emitting device, image display device, air blowing device, and cooling device | Yasuo Imura, Hiroyuki Hirakawa, Tadashi Iwamatsu | 2012-08-21 |
| 8164247 | Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, and electron-beam curing device | Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu | 2012-04-24 |
| 8110971 | Light emitting element, light emitting device, image display device, method of driving light emitting element, and method of producing light emitting element | Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu | 2012-02-07 |
| 8092968 | Toner, method of manufacturing toner, developer, two-component developer, developing device, and image forming apparatus | Keiichi Kikawa, Katsuru Matsumoto | 2012-01-10 |
| 7770828 | Method of manufacturing resin particles | Katsuru Matsumoto, Keiichi Kikawa | 2010-08-10 |