Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9454069 | Illumination system having first and second lens arrays including plano-convex lenses wherein some lenses in the second array include a first and a second lens element, projection-type display apparatus, and optical integrator | Katsumi Tanaka | 2016-09-27 |
| 9104094 | Illumination system including first and second lens arrays wherein some lenses in the second array include a first and a second lens element | Katsumi Tanaka | 2015-08-11 |
| 8474987 | Projector having light amount control based on projection system F-number | Kazuhiro Nishida, Katsumi Tanaka | 2013-07-02 |
| 8308305 | Projector with optical filter reducing internal multiple reflections | Kiyotaka Nakano, Ryo Hyodo | 2012-11-13 |
| 8287140 | Projector having a shiftable mounted lens | — | 2012-10-16 |
| 8242425 | Projector having first and second lamps with an illumination control device for turning on lamp having higher contrast with respect to a light modulation device and method of controlling lighting thereof | Yuichiro Matsumoto, Takeshi Takezawa | 2012-08-14 |
| D558252 | Lamp for projector | Toshio Matsumiya, Takeshi Utagawa | 2007-12-25 |
| 6664839 | Semiconductor integrated circuit having reduced crosstalk interference on clock signals | Toshikazu Ootake | 2003-12-16 |
| 6507612 | Bus access controller | — | 2003-01-14 |