Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117589 | Plastic polarizing lens and method for manufacturing same | — | 2024-10-15 |
| 11524443 | Process for producing shaped film | Hiroyuki Kamio | 2022-12-13 |
| 10899094 | Method of manufacturing plastic lens, method of positioning film, and composite body | — | 2021-01-26 |
| 10663622 | Plastic polarized lens and method of producing the same | Akinori Ryu, Hiroyuki Kamio | 2020-05-26 |
| 10274643 | Plastic polarized lens and method of producing the same | Akinori Ryu, Hiroyuki Kamio | 2019-04-30 |
| 9086531 | Plastic polarized lens, method for producing the same, and polarized film | Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai | 2015-07-21 |
| 8496859 | Method of producing a plastic polarized lens | Toru Miura | 2013-07-30 |
| 8187712 | Plastic polarized lens and method of producing the same | Akinori Ryu, Seiichi Kobayashi | 2012-05-29 |
| 7967434 | Plastic polarized lens and method of producing the same | Toru Miura | 2011-06-28 |
| 7506977 | Plastic spectacles lens | — | 2009-03-24 |