Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11896430 | Portable ultrasound image diagnostic apparatus | Takahiko Shiraishi, Tatsushi Chihara | 2024-02-13 |
| 11109837 | Portable ultrasound image diagnostic apparatus | Takahiko Shiraishi, Tatsushi Chihara | 2021-09-07 |
| 9223243 | Charging device and image forming apparatus including the same | Shintaro Sone, Hiroyuki Saito, Kazuteru Ishizuka, Tatsuya Furuta, Kazutoshi Kobayashi | 2015-12-29 |
| 9188899 | Charging device, imaging cartridge and image forming apparatus having charging device | Yoshihiro Hattori | 2015-11-17 |
| 8254810 | Image forming apparatus | Hiroshi Funabiki | 2012-08-28 |
| 8175510 | Fixing device, and image forming apparatus equipped therewith | — | 2012-05-08 |
| 7228087 | Fixing unit with air blowing apparatus | — | 2007-06-05 |
| 7200345 | Image forming apparatus with a fixing device employing a plurality of pressing members | Hidetoshi Katayanagi, Tetsuko Kurosu, Makoto Fujii, Naohiko Hanyu, Miho Toyoda | 2007-04-03 |
| 7187900 | Image forming apparatus having a fixing device for fixing toner image formed on a sheet by an endless fixing belt engaged with a fixing roller | Hiroshi Fuma, Yoshio Yamazaki, Junichi Hamada, Masahiro Onodera | 2007-03-06 |
| 7050747 | Pressure applying device to fixing roller of image forming apparatus | Hiroshi Fuma | 2006-05-23 |
| 7046950 | Image forming apparatus | Hiroshi Fuma, Haruo Iwahashi, Masahiro Onodera | 2006-05-16 |
| 7010240 | Image forming apparatus that controls a fixing device to fix a toner image onto paper with improved productivity | Hiroshi Fuma, Masahiro Onodera | 2006-03-07 |
| 6782231 | Pressure applying device to fixing roller of image forming apparatus | Hiroshi Fuma | 2004-08-24 |
| 6584297 | Image fixing device and image forming apparatus equipped therewith | Hiroshi Fuma | 2003-06-24 |
| 6360063 | Image forming apparatus wherein writing of an image is conducted before feeding of a transfer material is started | Satoshi Haneda, Kunio Shigeta, Yotaro Sato | 2002-03-19 |
| 6347200 | Duplex image forming apparatus | Kunio Shigeta, Yotaro Sato, Satoshi Haneda | 2002-02-12 |
| 6205301 | Two-sided image forming apparatus | Kunio Shigeta, Yotaro Sato, Satoshi Haneda | 2001-03-20 |
| 6134403 | Color image forming apparatus having developing devices located within a central angle of 180.degree. | Satoshi Haneda, Toshihide Miura, Hiroyuki Tokimatsu | 2000-10-17 |
| 6085064 | Image forming apparatus | Kunio Shigeta, Satoshi Haneda, Yotaro Sato, Toshihide Miura | 2000-07-04 |
| 6058287 | Image forming apparatus having sheet conveyance device | Satoshi Haneda, Kunio Shigeta, Yotaro Sato, Shuta Hamada | 2000-05-02 |
| 6021301 | Image forming apparatus which is equipped with an intermediate transfer body and which prevents toner from sticking to a transfer unit | Kunio Shigeta, Yotaro Sato, Satoshi Haneda, Toshihide Miura | 2000-02-01 |
| 5995797 | Image forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheet | Kunio Shigeta, Yotaro Sato, Satoshi Haneda, Toshihide Miura | 1999-11-30 |
| 5991563 | Image forming apparatus | Satoshi Haneda, Kunio Shigeta, Yotaro Sato | 1999-11-23 |
| 5978644 | Image forming apparatus | Yotaro Sato, Kunio Shigeta, Satoshi Haneda, Toshihide Miura | 1999-11-02 |
| 5970277 | Image forming apparatus | Kunio Shigeta, Yotaro Sato, Satoshi Haneda | 1999-10-19 |