Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802993 | Curable composition comprising a photochromic compound | Junji Momoda | 2004-10-12 |
| 6698883 | Curable composition and photochromic cured article | Junji Momoda, Hironobu Nagou | 2004-03-02 |