Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937833 | Image forming apparatus having selectively removable image processing and toner modules | Ituro Katoh | 2005-08-30 |
| 5697008 | Image forming apparatus having selectively removable image processing and toner modules | Ituro Katoh | 1997-12-09 |
| 5541715 | Removable processing units and toner collecting device for an image formation apparatus | Ituro Katoh | 1996-07-30 |
| 5343304 | Image forming apparatus controlling the orientation of the image on a sheet for automatic post-processing | Yasuhiro Nakai | 1994-08-30 |
| 5089850 | Image forming unit with a charger wire and optics cleaning mechanism | Mitsuru Ogura, Takeshi Yoshida | 1992-02-18 |
| 4885640 | Image reading apparatus | — | 1989-12-05 |
| 4849791 | Waste toner collecting system | Hideaki Hagihara, Takahiro Fukunaga, Kozo Takahashi | 1989-07-18 |
| 4805001 | Magnification converting mechanism for a variable magnification copying apparatus | Tatsushi Hayashi, Ken-ichi Iwamoto | 1989-02-14 |
| 4802439 | Pressure applying mechanism for fixing rollers of a copying apparatus | Yuji Sugimoto, Masaru Tsuji | 1989-02-07 |
| 4803512 | Image forming cartridge for providing uniform corona charging | Mitsuru Ogura, Takeshi Yoshida | 1989-02-07 |
| 4796053 | Magnification converting mechanism for a variable magnification copying apparatus | Hiroshi Nakamura, Tatsushi Hayashi, Ken-ichi Iwamoto, Kenji Okada, Kouichi Matsumoto | 1989-01-03 |
| 4782360 | Rotary type developing apparatus | Ken-ichi Iwamoto, Kouichi Matsumoto, Hiroshi Kida, Tatsuya Inoue | 1988-11-01 |
| 4775781 | Counter reset arrangement | Takahiro Fukunaga | 1988-10-04 |
| 4739369 | Copying apparatus equipped with original document circulation feeding arrangement | Haruyoshi Ikeda | 1988-04-19 |
| 4734747 | Copying machine with a copy paper detection device | Masakiyo Okuda, Kazuyuki Ohnishi, Kimihito Yamasaki, Haruyoshi Ikeda | 1988-03-29 |
| 4696466 | Sorter for electrophotographic copying machine | Kimihito Yamasaki | 1987-09-29 |
| 4682877 | Electrophotographic copying apparatus with a selecting means of magnification changing elements | Katsuyoshi Fujiwara, Yoshihisa Miwa | 1987-07-28 |
| 4669863 | Copying apparatus provided with paper size memory function | Haruyoshi Ikeda | 1987-06-02 |
| 4666290 | Cartridge loading device for a copying machine | — | 1987-05-19 |
| 4660960 | Imaging agent supply and recovery tank of electronic imaging device | Takahiro Fukunaga | 1987-04-28 |
| 4647189 | Electrophotographic copying machine with variable magnification | Katsuyoshi Fujiwara, Yoshihisa Miwa | 1987-03-03 |
| 4634266 | Electrophotographic copying machine with picture position selection function | Haruyoshi Migita | 1987-01-06 |
| 4629314 | Copying apparatus having variable magnification operation memory function | Haruyoshi Migita | 1986-12-16 |
| 4615610 | Copying apparatus having one set-two copy mode | — | 1986-10-07 |
| 4615611 | Variable magnification copying machine | — | 1986-10-07 |