Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8305344 | Projector and projector accessory | — | 2012-11-06 |
| 7581841 | Luminance correcting apparatus, luminance correcting method, and projector | — | 2009-09-01 |
| 7502018 | Projector, electronic whiteboard system using projector and method of acquiring indicated point | — | 2009-03-10 |
| 7344253 | Projector and method of projecting image from projector | — | 2008-03-18 |
| 7290887 | Projector and projection method | Kiyohide Takagi | 2007-11-06 |
| 7210786 | Projection display device | Takashi Nirasawa | 2007-05-01 |
| 7204595 | Projector and method of correcting projected image distortion | — | 2007-04-17 |
| 7204596 | Projector with tilt angle measuring device | — | 2007-04-17 |
| 7201482 | Projection type display device | — | 2007-04-10 |
| 7185987 | Projector and projector accessory | — | 2007-03-06 |
| 6877864 | Projector and method of correcting image distortion | Youichi Itaki | 2005-04-12 |
| 6557086 | Memory write and read control | — | 2003-04-29 |
| 6233658 | Memory write and read control | — | 2001-05-15 |
| 6188383 | Method, apparatus and computer program for image resolution conversion | — | 2001-02-13 |
| 5726210 | Process for preparation of anion exchange resin | Takeshi Teraue | 1998-03-10 |
| 5600022 | Method for recovering chloromethyl methyl ether | Kiyoto Ando, Akihiko Tsukada, Hiroshi Arataki | 1997-02-04 |
| 5247342 | Light wavelength measuring apparatus including an interference spectroscopic section having a movable portion | Hiroshi Goto, Takeshi Tsukamoto, Yasutaka Ichihashi, Takamasa Imai | 1993-09-21 |
| 4643572 | Driving circuit of a grating | Youji Sonobe, Kenichiro Umesaki | 1987-02-17 |