Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914139 | Solution of cellulose acylate dissolved in mixed solvent of ketone and ester | Yasuo Mukunoki | 2005-07-05 |
| 6897303 | Process for producing cellulose acylate film | — | 2005-05-24 |
| 6849327 | Optical filter | Isao Ikuhara, Takumi Ando | 2005-02-01 |