Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12333359 | Information processing apparatus with automatic detection and interruption of defective image forming operations | Tatsuomi Murayama, Sumito Tanaka, Sho Ikemoto | 2025-06-17 |
| 11972314 | Information processing apparatus with automatic detection and interruption of defective image forming operations | Tatsuomi Murayama, Sumito Tanaka, Sho Ikemoto | 2024-04-30 |
| 11727235 | Information processing apparatus with automatic detection and interruption of defective image forming operations | Tatsuomi Murayama, Sumito Tanaka, Sho Ikemoto | 2023-08-15 |
| 11681252 | Image forming apparatus | — | 2023-06-20 |
| 10547763 | Image forming apparatus, image forming method, and storage medium | — | 2020-01-28 |
| 10423368 | Image forming apparatus, method for controlling same, and storage medium | — | 2019-09-24 |
| 9851672 | Image forming apparatus that adjusts image forming conditions | — | 2017-12-26 |
| 8849149 | Image forming apparatus that measures temperatures at first and second locations and that changes the exposure condition for exposure at a third location based on the measured temperatures, and corresponding image forming method | — | 2014-09-30 |
| 8385768 | Image forming apparatus that measures temperatures at a first location and a second location different from the first location in a longitudinal direction of a photoconductor, and that changes an exposure at a third location between the first and second locations based on respective temperature of or near the surface of the photo conductor at the first and second locations, and corresponding image forming method | — | 2013-02-26 |
| 7792447 | Image heating apparatus with temperature control in relation to glass transition of toner | Masatsugu Toyonori, Tomohito Ishida, Tetsuya Atsumi | 2010-09-07 |
| 7787031 | Image-pickup apparatus for dust prevention | Yasushi Hozumi, Goro Noto | 2010-08-31 |
| 7751737 | Image forming apparatus which corrects charge potential on an image carrier | Tomohito Ishida, Tetsuya Atsumi, Masatsugu Toyonori | 2010-07-06 |
| 7643174 | Semiconductor laser drive control device | Tomohito Ishida, Tetsuya Atsumi, Masatsugu Toyonori | 2010-01-05 |
| 7512349 | Image forming apparatus and method featuring correction for compensating differences in surface potential characteristics of an image supporting body | Tetsuya Atsumi, Masatsugu Toyonori, Tomohito Ishida | 2009-03-31 |
| 7343112 | Image forming apparatus using hypochromatic toner and hyperchromatic toner | Nobuyuki Ito, Takeshi Ikeda, Yukio Nagase, Yasukazu Ayaki, Tomohito Ishida | 2008-03-11 |
| 6996358 | Toner kit, toner, method for forming an image, and image forming apparatus | Yasukazu Ayaki, Takeshi Ikeda, Yukio Nagase, Nobuyuki Itoh, Tomohito Ishida | 2006-02-07 |
| 6879788 | Image forming apparatus with density detecting means | Nobuyuki Ito, Takeshi Ikeda, Yukio Nagase, Yasukazu Ayaki, Tomohito Ishida | 2005-04-12 |
| 6803932 | Image forming apparatus | Takeshi Ikeda, Yukio Nagase, Nobuyuki Itoh, Yasukazu Ayaki, Tomohito Ishida | 2004-10-12 |
| 6636717 | Developing device including first and second developer carrying devices with insufficiently-charged developer control feature | — | 2003-10-21 |
| RE38026 | Developing device having regulating rotary member for regulating toner amount | Tatsuya Tada | 2003-03-11 |
| 6466244 | Image forming apparatus | — | 2002-10-15 |
| 6397031 | Development apparatus with first and second developer carrying member and a plurality of magnetic field generating means for regulating developer layer thickness | — | 2002-05-28 |
| 6374070 | Electrophotographic apparatus | — | 2002-04-16 |
| 5978623 | Developing apparatus | — | 1999-11-02 |
| 5781836 | Developing device having regualting rotary member for regulating toner amount | Tatsuya Tada | 1998-07-14 |