Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221510 | Method of producing polarizing film, polarizing film and image display device using the same | Hiroaki Mizushima, Tadayuki Kameyama, Ken Aoki, Morimasa Wada, Kenji Shimizu | 2007-05-22 |
| 4963930 | Developing apparatus capable of preventing leakage of a developer | Akito Yoshimaru | 1990-10-16 |
| 4914458 | Image forming apparatus | Hiroshi Mori | 1990-04-03 |