Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659608 | Polarizing optical article | Tamenobu Yamamoto, Yoshihisa Ishiba | 2003-12-09 |
| 6613433 | Polarizing optical composite and polarizing lens | Tamenobu Yamamoto, Masahiko Okamoto | 2003-09-02 |