SK

Shigeo Kurotaka

Ricoh Company: 37 patents #422 of 9,818Top 5%
Overall (All Time): #90,786 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
8515323 Sheet wrapping avoidable fixing apparatus and image forming apparatus Hisashi Kikuchi, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +4 more 2013-08-20
7738827 Image forming apparatus with toner image fixing unit, and the fixing method thereof Yukimichi Someya, Takashi Fujita, Hisashi Kikuchi, Katsuhiro Echigo, Toshihiko Baba +2 more 2010-06-15
7693471 Sheet wrapping avoidable fixing apparatus and image forming apparatus Hisashi Kikuchi, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +4 more 2010-04-06
7570911 Image forming method and apparatus for fixing an image Atsushi Nakafuji, Hiroyuki Kunii, Yukimichi Someya, Katsuhiro Echigo, Takashi Fujita +2 more 2009-08-04
7433641 Fixing member, fixing device, and image forming apparatus Hisashi Kikuchi, Toshihiko Baba, Atsushi Nakafuji, Hiroyuki Kunii, Yukimichi Someya +2 more 2008-10-07
7369803 Fixing device and image forming apparatus using the same Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi, Yukimichi Someya, Toshihiko Baba +3 more 2008-05-06
7346305 Sheet wrapping avoidable fixing apparatus and image forming apparatus Hisashi Kikuchi, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +4 more 2008-03-18
7333760 Fixing device with temperature control Toshihiko Baba, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi, Yukimichi Someya +3 more 2008-02-19
7299003 Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumption Masami Tomita, Katsuhiro Echigo, Takashi Fujita, Toshihiko Baba, Hisashi Kikuchi +4 more 2007-11-20
7269384 Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus Yukimichi Someya, Takashi Fujita, Atsushi Nakafuji, Katsuhiro Echigo, Hiroyuki Kunii +5 more 2007-09-11
7254362 Fixing device, image forming apparatus using the fixing device, and heat insulating member Hisashi Kikuchi, Takashi Fujita, Yukimichi Someya, Katsuhiro Echigo, Hiroyuki Kunii +1 more 2007-08-07
7251429 Image forming apparatus with an energy storage that can be discharged, and with a display of residual energy in the storage Atsushi Nakafuji, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi, Jun Yura +2 more 2007-07-31
7233762 Method of uniformly fixing toner to recording medium in image forming apparatus Hiroyuki Kunii, Katsuhiro Echigo, Hisashi Kikuchi, Atsushi Nakafuji, Yukimichi Someya +3 more 2007-06-19
7224928 Sheet wrapping avoidable fixing apparatus and image forming apparatus Hisashi Kikuchi, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +4 more 2007-05-29
7177580 Image forming method and apparatus for fixing an image Atsushi Nakafuji, Hiroyuki Kunii, Yukimichi Someya, Katsuhiro Echigo, Takashi Fujita +2 more 2007-02-13
7139520 Fixing device, nipping device, and image forming apparatus Katsuhiro Echigo, Takashi Fujita, Toshihiko Baba, Hisashi Kikuchi, Yukimichi Someya +2 more 2006-11-21
7127202 Intermediary transfer apparatus, fixing apparatus and image forming apparatus Takashi Fujita, Yukimichi Someya, Hiroyuki Kunii, Atsushi Nakafuji, Hisashi Kikuchi +3 more 2006-10-24
7058330 Image forming apparatus Atsushi Nakafuji, 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, Toshihiko Baba +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, Atsushi Nakafuji, Hiroyuki Kunii, Yukimichi Someya +2 more 2005-10-18
6847792 Image forming apparatus having a selectively discharged storage Atsushi Nakafuji, 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, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +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, Toshihiko Baba, Hisashi Kikuchi +2 more 2004-09-21
6501935 Belt-type fixing apparatus having a fixing roller provided with a soft foam layer Kazumasa Hirai 2002-12-31