Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417904 | Optically compensatory film, optically compensatory polarizing plate and liquid-crystal display device | Takashi Yamaoka | 2002-07-09 |
| 6404469 | Wide viewing angle polarizing plate and liquid crystal display | Atsushi Kitagawa, Yuuji Saiki, Masayuki Satake | 2002-06-11 |