NK

Naohiro Kikkawa

Ricoh Company: 56 patents #164 of 9,818Top 2%
Overall (All Time): #44,763 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
8011281 Punching device, conveying device, finishing device, and image forming apparatus Makoto Hidaka, Akira Kunieda, Junichi Tokita, Hitoshi Hattori, Ichiro Ichihashi +7 more 2011-09-06
8002274 Sheet stacking device, drive control method, and computer program product Takashi Saito, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi +7 more 2011-08-23
7967284 Sheet conveying device, sheet processing apparatus, and image forming apparatus Shuuya Nagasako, Masahiro Tamura, Nobuyoshi Suzuki, Hiroshi Maeda, Tomoichi Nomura +7 more 2011-06-28
7954800 Openable sheet processing device Hiroshi Maeda, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi +7 more 2011-06-07
7950641 Sheet creaser, sheet conveyer, sheet finisher, and image forming apparatus Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi, Tomohiro Furuhashi +8 more 2011-05-31
7934714 Sheet post-processing apparatus, image forming apparatus, and image forming system Ichiro Ichihashi, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi +7 more 2011-05-03
7922163 Sheet processing device and image forming apparatus Ichiro Ichihashi, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi +7 more 2011-04-12
7905473 Sheet creaser including a cam guided pressing unit Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi, Tomohiro Furuhashi +8 more 2011-03-15
7896341 Sheet conveying device, sheet finisher, sheet feeding device, image forming apparatus, and sheet conveying method Akira Kunieda, Masahiro Tamura, Makoto Hidaka, Hitoshi Hattori, Junichi Tokita +7 more 2011-03-01
7893648 Stepping motor driving device, sheet processing device, and image processing apparatus Hitoshi Hattori, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Tomoichi Nomura +7 more 2011-02-22
7822378 Sheet finisher and image forming system using the same Kenji Yamada, Masahiro Tamura, Nobuyoshi Suzuki, Hiromoto Saitoh, Shuuya Nagasako +4 more 2010-10-26
7802789 Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit Junichi Tokita, Masahiro Tamura, Nobuyoshi Suzuki, Makoto Hidaka, Takashi Saito +8 more 2010-09-28
7798480 Sheet processing apparatus and sheet conveyance method Kenji Yamada, Hiroshi Kubo, Shingo Matsushita, Masahiro Tamura, Nobuyoshi Suzuki +10 more 2010-09-21
7798950 Sheet finisher, image forming apparatus, and sheet processing method Kazuhiro Kobayashi, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Tomohiro Furuhashi +8 more 2010-09-21
7762170 Heat-effect reduceable finishing unit and image forming system using the same Kenji Yamada, Hiromoto Saitoh, Junichi Iida, Junichi Tokita, Shingo Matsushita 2010-07-27
7744076 Sheet folding apparatus, sheet processing apparatus and image forming apparatus Nobuyoshi Suzuki, Kenji Yamada, Hiromoto Saitoh, Junichi Iida, Junichi Tokita +3 more 2010-06-29
7742716 Image forming system Junichi Iida, Junichi Tokita, Shingo Matsushita, Kenji Yamada, Hiroshi Kubo 2010-06-22
7681881 Sheet aligning device and image forming apparatus Akira Kunieda, Masahiro Tamura, Makoto Hidaka, Hitoshi Hattori, Junichi Tokita +7 more 2010-03-23
7661669 Sheet post-processing apparatus, image forming apparatus, and image forming system Ichiro Ichihashi, Masahiro Tamura, Nobuyoshi Suzuki, Shuuya Nagasako, Kazuhiro Kobayashi +7 more 2010-02-16
7546081 Paper finisher having paper perforating apparatus, and image forming apparatus equipped with paper perforating apparatus and paper finisher Junichi Tokita, Kenji Yamada, Junichi Iida, Nobuyoshi Suzuki, Shingo Matsushita +1 more 2009-06-09
7527254 Sheet finisher with a punching unit Masahiro Tamura, Akihito Andoh, Junichi Iida, Shuuya Nagasako, Hiroki Okada +4 more 2009-05-05
7487964 Sheet finisher for an image forming apparatus Nobuyoshi Suzuki, Kenji Yamada, Masahiro Tamura, Hiromoto Saitoh, Shuuya Nagasako +3 more 2009-02-10
7458567 Sheet finisher and image forming system using the same Kenji Yamada, Masahiro Tamura, Nobuyoshi Suzuki, Hiromoto Saitoh, Shuuya Nagasako +4 more 2008-12-02
7416177 Sheet folding apparatus, sheet processing apparatus and image forming apparatus Nobuyoshi Suzuki, Kenji Yamada, Hiromoto Saitoh, Junichi Iida, Junichi Tokita +3 more 2008-08-26
7413181 Method and apparatus for image forming capable of effectively performing sheet finishing operation Junichi Iida, Junichi Tokita, Shingo Matsushita, Nobuyoshi Suzuki, Kenji Yamada +1 more 2008-08-19