Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939575 | Method of manufacturing light guide plate, lighting device, and display device | Yoshinobu Hirayama, Tetsuyuki Takemoto, Masanori Ehara | 2018-04-10 |
| 9690034 | Illumination device and display device | Ichiro Umekawa, Hirofumi Oosawa, Takeshi Ishida, Ryuzo Yuki, Shugo Yagi | 2017-06-27 |
| 9671547 | Illumination device and display device | Ichiro Umekawa, Hirofumi Oosawa, Takeshi Ishida, Ryuzo Yuki, Shugo Yagi | 2017-06-06 |
| 6432517 | Recording sheet and process for producing it | Nobuyuki Yokota, Shunji Hayashi, Natsuko Tomioka | 2002-08-13 |