Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10782510 | Projection system and projector with light-shielding mask | Shuji Narimatsu, Koji SHIOKAWA | 2020-09-22 |
| 10503057 | Projection lens and projector | Naoto Takehana, Koji SHIOKAWA | 2019-12-10 |
| 10460424 | Projector and method for controlling projector providing suppression region | Shuji Narimatsu, Akira Nemura, Hiroyuki Furui | 2019-10-29 |
| 9746694 | Lens set, method of designing lens and method of manufacturing lens | Toshihide Shinohara, Tadashi Kaga, Ayumu Ito | 2017-08-29 |
| 9581831 | Optical lens, method for designing optical lens, and apparatus for manufacturing optical lens | Toshihide Shinohara, Tadashi Kaga | 2017-02-28 |
| 9417462 | Progressive power lens design method and progressive power lens design apparatus | Toshihide Shinohara | 2016-08-16 |
| 9022559 | Progressive-power lens designing method, progressive power lens designing system, and progressive-power lens | Yohei Suzuki, Ayumu Ito | 2015-05-05 |
| 9010932 | Spectacle lens | Toshihide Shinohara | 2015-04-21 |
| 8550622 | Progressive power lens and progressive power lens design method | Kazutoshi Kato, Ayumu Ito | 2013-10-08 |