Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11018439 | Scanned antenna and liquid crystal device | Masashi Otsubo, Akinori Kubota | 2021-05-25 |
| 10353237 | Enhancing luminance in display devices using lighting guide plates | Takao Imaoku, Shugo Yagi | 2019-07-16 |
| 10317610 | Illumination device and display device | Shugo Yagi, Toru Inata | 2019-06-11 |
| 10310164 | Display backlight having lightguide with variable density light extraction elements | Takao Imaoku, Shugo Yagi | 2019-06-04 |
| 10180527 | Lighting device and display device | Ryuzo Yuki, Takeshi Ishida, Takao Imaoku, Shugo Yagi | 2019-01-15 |
| 9971081 | Lighting device and display device | Takao Imaoku, Takeshi Ishida, Ryuzo Yuki, Shugo Yagi | 2018-05-15 |
| 9939575 | Method of manufacturing light guide plate, lighting device, and display device | Tetsuyuki Takemoto, Masaki Kageyama, Masanori Ehara | 2018-04-10 |
| 9921360 | Illumination device and display device | Shugo Yagi, Toru Inata | 2018-03-20 |
| 9915770 | Lighting device and display device | Takao Imaoku, Takeshi Ishida, Ryuzo Yuki, Shugo Yagi | 2018-03-13 |
| 9347644 | Lens and light source unit | Ryoh Araki, Kei Oyobe, Toshihiro Yanagi | 2016-05-24 |
| 8891040 | Backlight unit and liquid crystal display device | Shigenori Tanaka, Ryoh Araki | 2014-11-18 |
| 6530670 | Planar illumination device | — | 2003-03-11 |