Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867555 | Intensity modulator for light source such as AC lamp | — | 2005-03-15 |
| 6753923 | Video projecting system | — | 2004-06-22 |
| 6592228 | Projector comprising a microcomputer for controlling zoom and focus adjustments utilizing pattern generation and calculation means | Masahiro Kawashima | 2003-07-15 |
| 6587248 | Optical modulator | — | 2003-07-01 |
| 6422704 | Projector that automatically adjusts the projection parameters | Masahiro Kawashima, Syunsuke Kimura | 2002-07-23 |
| 6011365 | Electromagnetic focus apparatus | — | 2000-01-04 |
| 5747949 | CRT focusing circuit with individually controlled switches developing an approximate parabolic waveform | Masahiro Kawashima | 1998-05-05 |
| 5099328 | Ghost canceller | Kazuo Kobo, Yutaka Miki, Kiyotake Fukui, Hiroyasu Shinbo, Mikio Sasaki +2 more | 1992-03-24 |