Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922246 | Eyeglass lens and molded material of synthetic resin having transmittance minimum no greater than 25% at 550-585 nm | Shoshiro Matsushita, Ikuo Shimizu, Kazuko Mabuchi, Yoshihisa Ishiba | 1999-07-13 |
| 5702813 | Composite molded article including a polarizer of polycarbonate | Masahiko Okamoto | 1997-12-30 |