Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7248805 | Image forming apparatus and developing unit | Soh Hirota, Masaki Tanaka, Masahiro Kouzaki, Mitsuru Obara | 2007-07-24 |
| 7212752 | Image forming apparatus and a developing apparatus having a unit for determining a mixture ratio of two types of magnetic toner based on magnetic permeability and amount | Soh Hirota, Masaki Tanaka, Masahiro Kouzaki, Mitsuru Obara | 2007-05-01 |
| 6847732 | Image error diffusion device with noise superposition | — | 2005-01-25 |
| 6587225 | Image processing apparatus | Tetsuya Itoh | 2003-07-01 |
| 6538771 | Image processor | Shoji Imaizumi, Junji Nishigaki | 2003-03-25 |
| 6330076 | Image processing apparatus | Shoji Imaizumi | 2001-12-11 |
| 6266441 | Image forming apparatus capable of recognizing top and bottom of document image | Hideyuki Hashimoto, Shoji Imaizumi, Takayuki Nabeshima | 2001-07-24 |
| 6034796 | Data processor | Hiroyuki Suzuki, Munehiro Nakatani | 2000-03-07 |
| 5995241 | Data processor | Munehiro Nakatani, Hiroyuki Suzuki | 1999-11-30 |
| 5987176 | Image processing device | Shoji Imaizumi, Takayuki Nabeshima, Hideyuki Hashimoto | 1999-11-16 |
| 5966560 | Image forming apparatus with enhanced pretransfer erasing | Hideaki Kodama, Yasuhiro Ohno, Makoto Takase | 1999-10-12 |
| 5889884 | Image forming apparatus capable of recognizing top and bottom of document image | Hideyuki Hashimoto, Shoji Imaizumi, Takayuki Nabeshima | 1999-03-30 |
| 5875041 | Data processor | Munehiro Nakatani, Hiroyuki Suzuki | 1999-02-23 |
| 5841551 | Data processor | Munehiro Nakatani, Hiroyuki Suzuki | 1998-11-24 |
| 5721624 | Image reading apparatus improving the joining state of a plurality of image data obtained by dividing and reading out an original image | Hideo Kumashiro, Sou Hirota | 1998-02-24 |
| 5677736 | Data processor | Hiroyuki Suzuki, Munehiro Nakatani | 1997-10-14 |
| 5563726 | Data processor for preventing block distortion for an achromatic image when image data are processed for coding by dividing them into blocks | Hiroyuki Suzuki, Munehiro Nakatani | 1996-10-08 |
| 5517327 | Data processor for image data using orthogonal transformation | Munehiro Nakatani, Hiroyuki Suzuki | 1996-05-14 |