Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754934 | Recirculating document feeder | Tsuyoshi Nagao, Masayuki Kakuta | 1998-05-19 |
| 5538233 | Document conveying apparatus | Toru Tanjo, Takashi Kotani, Yukio Tanisaki, Masahiro Nakagawa, Hiroyuki Harada +2 more | 1996-07-23 |
| 5520379 | Document conveying appartus | Toru Tanjo, Takashi Kotani, Yukio Tanisaki, Masahiro Nakagawa, Hiroyuki Harada +2 more | 1996-05-28 |
| 5460360 | Document conveying apparatus for conveying documents of different length in an image processing machine | Takashi Kotani, Hiroyuki Nagai, Yukio Tanisaki, Hiromichi Oguma | 1995-10-24 |
| 5195733 | Restorative sheet transport apparatus | Kazushi Takimoto, Yukio Tanisaki | 1993-03-23 |
| D329456 | Auto document feeder | — | 1992-09-15 |
| 5127642 | Automatic document conveying device for image processing machine | Kazushi Takimoto, Koji Maekawa, Kiyoshige Kameda, Hiroyuki Fujita, Katsunori Masai | 1992-07-07 |
| 5120038 | Automatic document conveying device for an image processing machine | Kazushi Takimoto, Koji Maekawa, Kiyoshige Kameda, Hiroyuki Fujita, Katsunori Masai | 1992-06-09 |
| 5120045 | Attaching structure for a removable sheet holding tray | Katsunori Masai | 1992-06-09 |
| 5082270 | Sheet transport device | — | 1992-01-21 |
| 5060923 | Automatic document conveying device for an image processing machine | Kazushi Takimoto, Koji Maekawa, Kiyoshige Kameda, Hiroyuki Fujita, Katsunori Masai | 1991-10-29 |
| D319072 | Auto document feeder | Akiyoshi Tanizawa, Kazushi Takimoto | 1991-08-13 |
| 4672017 | Electrophotographic developing method | — | 1987-06-09 |
| 4577587 | Developing apparatus | — | 1986-03-25 |
| 4540645 | Magnetic brush development method | Nobuyasu Honda, Toshikazu Matsui, Akira Fushida, Toshimitsu Ikeda, Kenji Takahashi +2 more | 1985-09-10 |
| 4477551 | Photosensitive layer for electrophotography | Akira Fushida, Yoshiaki Kato | 1984-10-16 |
| 4469769 | Photosensitive material for electrophotography contains halo-benzoquinone sensitizer | Toru Nakazawa, Akira Fushida | 1984-09-04 |
| 4447514 | Organic photosensitive material for electrophotography comprising polyvinylcarbazole and pyrene or phenanthrene | Toru Nakazawa, Akira Fushida | 1984-05-08 |
| 4424269 | Electrophotographic CdS or CdSSe with ozone deterioration inhibitor | Hideyuki Sasaki, Toru Nakazawa, Yoshiaki Kato, Hideo Fukuda, Akira Fushida | 1984-01-03 |
| 4413047 | Cadmium photoconductor with (dialkylpyrophosphato) organic titanate additive | Yoshiaki Kato, Akira Fushida, Hideo Fukuda, Toru Nakazawa, Hideyuki Sasaki | 1983-11-01 |
| 4391892 | Multiple copy electrophotographic process using dye sensitized ZnO | Eiichi Inoue, Hitoshi Nishihama, Akira Fushida, Joji Matsumoto | 1983-07-05 |