AN

Atsushi Nakafuji

Ricoh Company: 42 patents #327 of 9,818Top 4%
Overall (All Time): #73,639 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7177580 Image forming method and apparatus for fixing an image Hiroyuki Kunii, Yukimichi Someya, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi +2 more 2007-02-13
7139520 Fixing device, nipping device, and image forming apparatus Katsuhiro Echigo, Shigeo Kurotaka, Takashi Fujita, Toshihiko Baba, Hisashi Kikuchi +2 more 2006-11-21
7127202 Intermediary transfer apparatus, fixing apparatus and image forming apparatus Takashi Fujita, Shigeo Kurotaka, Yukimichi Someya, Hiroyuki Kunii, Hisashi Kikuchi +3 more 2006-10-24
7107681 Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating roller Jun Yura, Takashi Fujita, Hirokazu Ikenoue 2006-09-19
7058330 Image forming apparatus Shigeo Kurotaka, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi, Jun Yura +2 more 2006-06-06
7010257 Method of fixing toner on recording medium Yukimichi Someya, Takashi Fujita, Hisashi Kikuchi, Katsuhiro Echigo, Shigeo Kurotaka +2 more 2006-03-07
7010255 Fixing device having a heating member and image forming apparatus including the same Jun Yura, Hirokazu Ikenoue, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi +4 more 2006-03-07
6957036 Fixing member, fixing device, and image forming apparatus Hisashi Kikuchi, Toshihiko Baba, Shigeo Kurotaka, Hiroyuki Kunii, Yukimichi Someya +2 more 2005-10-18
6897409 Image forming apparatus and fixing device therefor Jun Yura, Takashi Fujita, Hirokazu Ikenoue 2005-05-24
6847792 Image forming apparatus having a selectively discharged storage Shigeo Kurotaka, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi, Jun Yura +2 more 2005-01-25
6795676 Sheet wrapping avoidable fixing apparatus and image forming apparatus Hisashi Kikuchi, Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba +4 more 2004-09-21
6795678 Image forming apparatus for fixing a toner image on a sheet or recording medium by use of a belt member Jun Yura, Takashi Fujita, Katsuhiro Echigo, Shigeo Kurotaka, Toshihiko Baba +2 more 2004-09-21
6646227 Image forming apparatus and fixing device therefor Jun Yura, Takashi Fujita, Hirokazu Ikenoue 2003-11-11
6636718 Heating roller, method of producing the heating roller, and heating device, fixing device and image forming apparatus using the heating roller Jun Yura, Takashi Fujita, Hirokazu Ikenoue 2003-10-21
6631253 Fixing device and image forming apparatus using the same Takashi Fujita, Hirokazu Ikenoue, Jun Yura 2003-10-07
6559421 Image forming apparatus and fixing device therefor Jun Yura, Takashi Fujita, Hirokazu Ikenoue 2003-05-06
6542705 Electrophotographic heating apparatus, system, and method Takashi Fujita, Hirokazu Ikenoue, Kazuhito Kishi, Eriko Chiba 2003-04-01