Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8929757 | Image forming apparatus for detecting and correcting thickness and area ratio of toner layer | Yasuhito Shirafuji, Nobuhiko Zaima, Takahiro Ishihara | 2015-01-06 |
| 8908225 | Image forming apparatus in which tone correction setting is controlled | Nobuhiko Zaima, Yasuhito Shirafuji, Takahiro Ishihara | 2014-12-09 |
| 8854408 | Image forming apparatus for performing exposure a plurality of times | Nobuhiko Zaima, Takahiro Ishihara, Yasuhito Shirafuji | 2014-10-07 |
| 8797615 | Image forming apparatus | — | 2014-08-05 |
| 8666265 | Image forming apparatus and image forming method of electrophotography | Takahiro Ishihara, Nobuhiko Zaima, Yasuhito Shirafuji | 2014-03-04 |
| 8432579 | Image forming apparatus | — | 2013-04-30 |
| RE43814 | Image forming apparatus and control method for the same | — | 2012-11-20 |
| 8203758 | Image processing apparatus and its method, and control method | — | 2012-06-19 |
| 8199181 | Image forming apparatus | Nobuhiko Zaima, Yasuhito Shirafuji, Takahiro Ishihara | 2012-06-12 |
| 8174536 | Color difference display control apparatus, color difference display control method, and control program | Nobuatsu Sasanuma, Miyoko Hayashi, Masami Tomita, Toshio Saishoji, Satoshi Takayama | 2012-05-08 |
| 8130409 | Image forming apparatus | Jiro Ishizuka, Nobuhiko Zaima | 2012-03-06 |
| 8107127 | Image forming apparatus, image forming method | Mitsuhiko Sato, Tatsuya Goto, Katsuhide Koga | 2012-01-31 |
| 8064113 | Display apparatus, display method, and control program | Nobuatsu Sasanuma, Miyoko Hayashi, Masami Tomita, Toshio Saishoji, Satoshi Takayama | 2011-11-22 |
| 7969615 | Image forming apparatus and image processing apparatus | — | 2011-06-28 |
| 7903287 | Image forming apparatus, image forming method | Mitsuhiko Sato, Tatsuya Goto, Katsuhide Koga | 2011-03-08 |
| 7881628 | Image forming apparatus that identifies halftone process parameter | — | 2011-02-01 |
| 7880931 | Image processing apparatus and its method, and control method | — | 2011-02-01 |
| 7860416 | Image forming apparatus | — | 2010-12-28 |
| 7839526 | Reservation of secondary printing devices in a substitute printing system | Mitsuhiko Sato, Tatsuya Goto, Katsuhide Koga | 2010-11-23 |
| 7783214 | Image forming apparatus and control method for the same | — | 2010-08-24 |
| 7778574 | Image forming apparatus with an intermediary transfer belt having a referential mark | — | 2010-08-17 |
| 7676080 | Method of creating color chart for color evaluation, and information processing apparatus thereof | Nobuatsu Sasanuma, Masami Tomita, Toshio Saishoji, Satoshi Takayama, Miyoko Hayashi | 2010-03-09 |
| 7633648 | Method and apparatus for calculating distances and reflection differences between measurement points on printed matter to evaluate image quality | Nobuatsu Sasanuma, Masami Tomita, Toshio Saishoji, Satoshi Takayama, Miyoko Hayashi | 2009-12-15 |
| 7626728 | Method and apparatus for calcuating color differences on measured evaluation charts to evaluate color reproducibility considering image homogeneity | Nobuatsu Sasanuma, Masami Tomita, Toshio Saishoji, Satoshi Takayama, Miyoko Hayashi | 2009-12-01 |
| 7619792 | Image forming apparatus, image forming method | Mitsuhiko Sato, Tatsuya Goto, Katsuhide Koga | 2009-11-17 |