Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185059 | Purification method for water, purification device for water, and use of said purification device at low water temperature | Tetsuya Kawasaki, Jun Ogawa, Akinori Ando, Daisei Ando, Ryohei Yasutomi | 2021-11-30 |
| 10999470 | Image reading apparatus with a reference roller having flat planar surfaces and an arcuate surface | — | 2021-05-04 |
| 10574856 | Image reading apparatus with reference surface to generate reference data for shading correction, and related image forming apparatus and method | — | 2020-02-25 |
| 10136027 | Image reading apparatus with reference surface to generate reference data for shading correction, and related image forming apparatus and method | — | 2018-11-20 |
| 10104262 | Scanner turning on light source during closing pressure plate and sheet size detection method by scanner | Yusuke Hashizume | 2018-10-16 |
| 10070011 | Image reading apparatus and method providing shading correction | Toshimitsu Ichiyanagi | 2018-09-04 |
| 9955042 | Image reading apparatus providing shading correction with foreign matter detection | Toshimitsu Ichiyanagi | 2018-04-24 |
| 9723164 | Image reading device that determines size of document and image forming apparatus having the same | — | 2017-08-01 |
| 9420136 | Image reading device that determines size of document and image forming apparatus having the same | — | 2016-08-16 |
| 8004726 | Image reading apparatus and image density correction method | — | 2011-08-23 |
| 7929806 | Image reading apparatus and image reading method | — | 2011-04-19 |
| 7873230 | Method and apparatus for processing images using black character substitution | Hirokazu Shoda | 2011-01-18 |
| 7777918 | Image forming apparatus and method of controlling the apparatus | Hidekazu Sekizawa, Jun Sakakibara | 2010-08-17 |
| 7672019 | Enhancing resolution of a color signal using a monochrome signal | — | 2010-03-02 |
| 7558437 | Method and apparatus for image processing | — | 2009-07-07 |
| 7336846 | Method and apparatus for processing images using black character substitution | Hirokazu Shoda | 2008-02-26 |