Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110635 | Toner for electrophotography and a production method thereof | Yoshinori Urata, Tatsuo Imafuku, Toshihisa Ishida, Takahiro Bito, Tadashi Nakamura +2 more | 2000-08-29 |
| 6066423 | Toner for electrophotography | Tatsuo Imafuku, Toshihisa Ishida, Yoshinori Urata, Takahiro Bito | 2000-05-23 |
| 5702857 | Method for impression development | Takashi Nagai, Tomohide Iida, Toshiaki Akiyama, Koji Kuramashi, Asao Toda | 1997-12-30 |
| 4686935 | Developing device | Toshikazu Matsui, Akira Fushida, Minoru Nakao, Nobuyuki Tsuji | 1987-08-18 |
| 4665001 | Negatively chargeable blue toner comprising indanthrone dye | Masanori Fujii, Akira Horiuchi, Masahiko Kubo | 1987-05-12 |
| 4645729 | Method for preventing offset in electrophotography | Masanori Fujii, Masahiko Kubo | 1987-02-24 |
| 4540645 | Magnetic brush development method | Toshikazu Matsui, Akira Fushida, Toshimitsu Ikeda, Kenji Takahashi, Hideo Fukuda +2 more | 1985-09-10 |
| 4535049 | Pressure-fixing toner for electrophotography and process for preparation thereof | Toshiro Yamakawa, Toshimitsu Ikeda | 1985-08-13 |
| 4517274 | Method for developing electrostatic latent images | Toshiro Yamakawa, Toshimitsu Ikeda | 1985-05-14 |
| 4495267 | Magnetic toner having improved humidity dependency | Toshiro Yamakawa, Toshimitsu Ikeda | 1985-01-22 |
| 4436803 | Method of developing electrostatic image with magnetic brush ear promoter | Toshimitsu Ikeda, Tetsuya Nakano | 1984-03-13 |
| 4409312 | Dry developer for electrostatic image with Al or Ti alkoxide | Toshimitsu Ikeda, Tetsuya Nakano | 1983-10-11 |
| 4329415 | Magnetic developer and process for preparation thereof | Toshimitsu Ikeda | 1982-05-11 |