Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927672 | Optical cellulose acylate film, polarizing plate and liquid crystal display | Sumio Ohtani, Hiroyuki Kawanishi | 2011-04-19 |
| 6890645 | Photocatalytic sheet or film and its manufacturing process | Leo Disse, Yuzo Toda, Huub Gillissen | 2005-05-10 |
| 5071736 | Silver halide photographic material | Shinpei Ikenoue, Hisashi Okamura | 1991-12-10 |
| 4910235 | Polyester film for recording materials | Yukio Shinagawa, Toshio Shibata | 1990-03-20 |