Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411570 | Method of driving plasma display panel and plasma display panel in which a difference between starting timings of the sustaining time periods in adjacent blocks is set substantially equal to the length of the writing time period in the adjacent blocks | Tomoki Nakakita | 2008-08-12 |
| 7365481 | Field emission device with change in emission property | Keisuke Koga | 2008-04-29 |
| 7227519 | Method of driving display panel, luminance correction device for display panel, and driving device for display panel | Hideo Kurokawa, Koji Akiyama, Tetsuya Shiratori | 2007-06-05 |
| 7190334 | Driving method and driving apparatus for a field emission device | Keisuke Koga | 2007-03-13 |
| 6940218 | Doped field-emitter | Keisuke Koga, Kenichi Honda, Tetsuya Norikane | 2005-09-06 |
| 6914372 | Electron-emitting element and electron source, field emission image display device, and fluorescent lamp utilizing the same and methods of fabricating the same | Koji Akiyama, Tetsuya Shiratori, Hideo Kurokawa | 2005-07-05 |
| 6914373 | Electron lens and structure for a cold cathode of a cathode ray tube | Takashi Itoh, Masahide Yamauchi, Koji Fujii, Keisuke Koga | 2005-07-05 |
| 6812654 | Field emission type electron source element, electron gun, cathode ray tube apparatus, and method for manufacturing cathode ray tube | Keisuke Koga | 2004-11-02 |
| 6794822 | Field emission electron source, electron gun and cathode ray tube device using the same | Keisuke Koga, Masahide Yamauchi, Koji Fujii, Takashi Itoh | 2004-09-21 |
| 6692327 | Method for producing electron emitting element | Masahiro Deguchi, Makoto Kitabatake, Kanji Imai, Tomohiro Sekiguchi, Hideo Kurokawa +2 more | 2004-02-17 |
| 6661166 | Electron gun and cathode-ray tube | Masahide Yamauchi, Takashi Itoh, Koji Fujii, Keisuke Koga | 2003-12-09 |
| 6400091 | Electron emission element and image output device | Masahiro Deguchi, Makoto Kitabatake, Kanji Imai, Tomohiro Sekiguchi, Hideo Kurokawa +2 more | 2002-06-04 |
| 5734143 | Microwave plasma torch having discretely positioned gas injection holes and method for generating plasma | Yoshinobu Nagano, Tadashi Kimura, Yoshikazu Yoshida, Shinichi Mizuguchi | 1998-03-31 |
| T100502 | Electronic ignition control apparatus | Mamoru Kobashi, Tadashi Hattori, Yoshiki Ueno | 1981-04-07 |
| 4210111 | Electronic ignition control method and apparatus | Tadashi Hattori, Mamoru Kobashi, Yoshiki Ueno | 1980-07-01 |