Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10768560 | Image forming apparatus and image forming method | Kenji Takagi | 2020-09-08 |
| 9760049 | Fixing apparatus | Hiroyuki Kadowaki, Atsushi Iwasaki | 2017-09-12 |
| 9372456 | Fixing apparatus | Hiroyuki Kadowaki, Atsushi Iwasaki | 2016-06-21 |
| 8918001 | Fixing apparatus | Munehito Kurata, Noriaki Sato, Kuniaki Kasuga, Tomonori Sato, Mahito Yoshioka | 2014-12-23 |
| 8873985 | Image forming apparatus controlling power supplied to fixing unit | Munehito Kurata, Noriaki Sato, Kuniaki Kasuga, Mahito Yoshioka | 2014-10-28 |
| 8744296 | Image forming apparatus | Toru Imaizumi, Mahito Yoshioka, Noriaki Sato, Munehito Kurata, Kuniaki Kasuga +5 more | 2014-06-03 |
| 8725020 | Image forming apparatus having fixing unit for fixing unfixed toner image formed on recording material onto recording material by heat | Munehito Kurata, Noriaki Sato, Kuniaki Kasuga, Tomonori Sato, Mahito Yoshioka | 2014-05-13 |
| 8626051 | Image forming apparatus with conveying portions having a loop detector with contact portion for contacting the sheet | Kuniaki Kasuga, Noriaki Sato, Mahito Yoshioka, Munehito Kurata, Tooru Imaizumi | 2014-01-07 |
| 8606157 | Image forming apparatus operable in a mode for cleaning a fixing portion | Mahito Yoshioka, Noriaki Sato, Tooru Imaizumi, Munehito Kurata, Kuniaki Kasuga | 2013-12-10 |
| 8331819 | Image forming apparatus | Tooru Imaizumi, Mahito Yoshioka, Noriaki Sato, Munehito Kurata, Kuniaki Kasuga +5 more | 2012-12-11 |
| 8326169 | Image forming apparatus | Munehito Kurata, Mahito Yoshioka, Noriaki Sato, Tooru Imaizumi, Kuniaki Kasuga | 2012-12-04 |
| 8027607 | Image forming apparatus | Munehito Kurata, Mahito Yoshioka, Noriaki Sato, Tooru Imaizumi, Kuniaki Kasuga | 2011-09-27 |
| 7933543 | Image forming apparatus with cleaning mode | Mahito Yoshioka, Noriaki Sato, Tooru Imaizumi, Munehito Kurata, Kuniaki Kasuga | 2011-04-26 |
| 7630662 | Image forming apparatus for fixing an image on a recording material and a current detection circuit therefor | Teruhiko Namiki, Mahito Yoshioka, Yasuhiro Shimura, Hiromitsu Kumada | 2009-12-08 |
| 6993279 | Image heating apparatus having a flexible sleeve | Nobuya Tamura | 2006-01-31 |
| 6526251 | Image forming apparatus having transferring roller of small diameter | Yasumasa Otsuka, Koichi Otaka, Yoshiyuki Yamazaki, Hisashi Nakahara | 2003-02-25 |
| 6424814 | Image forming apparatus using shaped toner particles and transfer roller pressure for fine image quality | Yasumasa Otsuka, Hisashi Nakahara | 2002-07-23 |
| 6175699 | Image fixing device with heater control | Akira Kato, Yasumasa Otsuka, Yoji Tomoyuki, Akira Hayakawa, Mahito Yoshioka +3 more | 2001-01-16 |
| 6151462 | Heat fixing apparatus wherein influence of temperature rise in sheet non-passing area is prevented | Atsushi Iwasaki | 2000-11-21 |
| 5852763 | Image heating apparatus | Kouichi Okuda, Yasumasa Ohtsuka, Yohji Tomoyuki, Akira Hayakawa, Manabu Takano +1 more | 1998-12-22 |
| 5801360 | Image fixing apparatus | Hiroyuki Oba, Yasumasa Ohtsuka, Kouichi Okuda, Tatsunori Ishiyama, Akira Hayakawa +1 more | 1998-09-01 |
| 5669039 | Image heating apparatus capable of varying feeding intervals between recording materials | Yasumasa Ohtsuka, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa | 1997-09-16 |
| 5592276 | Image fixing device with heater responsive to thermal stress | Yasumasa Ohtsuka, Shunji Nakamura, Kouichi Okuda, Yohji Tomoyuki, Akira Hayakawa | 1997-01-07 |
| 5552582 | Image heating apparatus | Atsuyoshi Abe, Yasumasa Ohtsuka, Yohji Tomoyuki, Manabu Takano, Kenichi Ogawa | 1996-09-03 |
| 5552874 | Image fixing apparatus | Yasumasa Ohtsuka, Yohji Tomoyuki, Akira Hayakawa, Manabu Takano, Atsuyoshi Abe | 1996-09-03 |