Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810392 | Vehicle headlight device | Masashige Suwa, Ritsuya Oshima, Muneharu Kuwata, Atsushi Michimori | 2017-11-07 |
| D796089 | Headlight lenses for a vehicle | Masashige Suwa, Ritsuya Oshima | 2017-08-29 |
| 9689549 | Vehicle headlight device | Masashige Suwa, Ritsuya Oshima, Muneharu Kuwata, Atsushi Michimori | 2017-06-27 |
| 9625803 | Screen, optical element, and display device | Satoru Okagaki, Jun Kondo, Yuzo Nakano, Akihisa Miyata | 2017-04-18 |
| 9261765 | Light converging optical system and projection-type image display apparatus | Muneharu Kuwata, Masashige Suwa | 2016-02-16 |
| 9103950 | Surface light source device and liquid crystal display device | Rena Nishitani, Nami Nakano, Shuichi Kagawa, Muneharu Kuwata | 2015-08-11 |
| 8998474 | Surface light source device and liquid crystal display apparatus | Rena Nishitani, Nami Nakano, Shuichi Kagawa, Muneharu Kuwata | 2015-04-07 |
| 8879143 | Optical element, screen, and display device | Satoru Okagaki, Eiji Yokoyama, Tomohiro Sasagawa, Jun Kondo, Muneharu Kuwata +1 more | 2014-11-04 |
| 8783932 | Backlight device and liquid crystal display apparatus | Rena Nishitani, Tomohiro Sasagawa, Eiji Niikura, Jun Someya, Hiroaki Sugiura +2 more | 2014-07-22 |
| 8714752 | Projection display device | Hayato Takeuchi, Akihiro Yamada | 2014-05-06 |
| 8469525 | Projection-type display apparatus | Hayato Takeuchi, Tomohiro Sasagawa | 2013-06-25 |
| 8434876 | Projection type display apparatus having a light source device with improved light utilization efficiency | Hiroshi Kida | 2013-05-07 |
| 8403494 | Projection-type display apparatus with a projection optical system configured to reduce speckle | Hayato Takeuchi, Tomohiro Sasagawa, Yuzo Nakano | 2013-03-26 |
| 8194192 | Projection display | Shigeki Harada, Takayoshi Nagai, Ikuro Suga, Akihiko Iwata, Yoshiteru Suzuki +2 more | 2012-06-05 |
| 7950808 | Project display apparatus having diffusion element for reducing speckle | Hayato Takeuchi | 2011-05-31 |
| 7872801 | Fresnel lens sheet, light-transmission screen, and projection image display apparatus | Hayato Takeuchi, Norihiro Watanabe, Yuzo Nakano, Takao Endo | 2011-01-18 |
| 7794093 | Projection display apparatus | Tomohiro Sasagawa | 2010-09-14 |
| 7695145 | Projection-type display apparatus | Hiroshi Kida | 2010-04-13 |
| 7677738 | Image projector | Muneharu Kuwata, Tomohiro Sasagawa, Akihiro Yamada | 2010-03-16 |
| 7116476 | Fresnel lens, screen, image displaying device, lens forming mold manufacturing method and lens manufacturing method | Hiroshi Suzuki, Kohei Teramoto, Yoshihiro Ashizaki, Shinsuke Sikama, Hiroshi Sekiguchi +1 more | 2006-10-03 |
| 7075718 | Transparent screen and projection display apparatus | Hiroshi Suzuki, Takao Endo, Shinsuke Shikama, Shuso Wadaka, Kohei Teramoto +1 more | 2006-07-11 |
| 6726859 | Fresnel lens, screen, image display device, lens mold manufacturing method and lens manufacturing method | Hiroshi Suzuki, Kohei Teramoto, Yoshihiro Ashizaki, Shinsuke Sikama, Hiroshi Sekiguchi +1 more | 2004-04-27 |
| 6561656 | Illumination optical system with reflecting light valve | Shinji Okamori | 2003-05-13 |