Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289257 | Molded laminate for optical use | — | 2007-10-30 |
| 6807006 | Method of manufacturing polarized spectacle lens | — | 2004-10-19 |
| 6650473 | Method of manufacturing polarized spectacle lens | — | 2003-11-18 |
| 5468351 | Apparatus for recovering fresh water and apparatus for concentrating liquid | Toshizumi Hirota, Hitoshi Kobayashi, Yukio Amino | 1995-11-21 |