Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459416 | Multi-gray level display apparatus and method of displaying an image at many gray levels | Itsuo Sasaki, Yasoji Suzuki, Hirofumi Kato, Toshio Yanagisawa, Kazuyoshi Yamamoto +2 more | 2002-10-01 |
| 6020869 | Multi-gray level display apparatus and method of displaying an image at many gray levels | Itsuo Sasaki, Yasoji Suzuki, Hirofumi Kato, Toshio Yanagisawa, Kazuyoshi Yamamoto +2 more | 2000-02-01 |
| 4819302 | Swingingly movable clearer mechanism suspended from a draft roller | Tatemi Fukuda, Yoshio Kawasaki, Masao Wakai, Kenji Negishi, Isao Ono | 1989-04-11 |
| 4785507 | Clearer device for bottom draft roller | Tsutomu Miyazaki, Yoshio Kawasaki, Kenji Negishi, Masao Wakai, Isao Ono | 1988-11-22 |
| 4254613 | Yarn break detector in ring frames | Fumitaka Maede | 1981-03-10 |
| 4243308 | Exposure computation circuit | Sadao Yamada, Tadashi Ito, Soichi Nakamoto | 1981-01-06 |