Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391966 | Eyeglass lens, method for designing eyeglass lens, and method for manufacturing eyeglass lens | Takashi Hatanaka | 2022-07-19 |
| 11391968 | Spectacle lens, method for designing spectacle lens, and method for manufacturing spectacle lens | Takashi Hatanaka | 2022-07-19 |
| 10203520 | Progressive power lens group | Yasunori Izawa | 2019-02-12 |
| 10185159 | Progressive power lens and method of designing and manufacturing the same | Yasunori Izawa | 2019-01-22 |
| 9772511 | Eyeglass lens and eyeglass lens manufacturing method | Yasunori Izawa | 2017-09-26 |
| 9733490 | Spectacle lens design system, supply system, design method and manufacturing method | Hidetoshi Nishimura | 2017-08-15 |
| 9638937 | Spectacle lens, and method for designing spectacle lens, manufacturing method and manufacturing system of the spectacle lens | Kazuma Kozu | 2017-05-02 |
| 9618772 | Spectacle lens design system, supply system, design method and manufacturing method | Hidetoshi Nishimura | 2017-04-11 |
| 8974058 | Eyeglass lens and design method, manufacturing method and design system for eyeglass lens | Kazuma Kozu | 2015-03-10 |