KS

Keisuke Sugiyama

Ricoh Company: 59 patents #144 of 9,818Top 2%
Overall (All Time): #39,909 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 26–50 of 59 patents

Patent #TitleCo-InventorsDate
9139398 Sheet processing apparatus and image forming system Kiyoshi Hata, Tomomichi Hoshino, Atsushi Kikuchi, Satoshi Saito, Makoto Hidaka +3 more 2015-09-22
9139395 Rotatable tray for sheet processing apparatus Yasuo Niikura 2015-09-22
9126797 Sheet processing apparatus and image forming system Atsushi Kikuchi, Takuya Sano, Takao Watanabe, Makoto Hidaka, Satoshi Saito +3 more 2015-09-08
9085436 Sheet ejecting device, image forming system, and sheet ejecting method Junya Suzuki, Kiichiro Goto, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi +8 more 2015-07-21
9075377 Recording medium discharging device Shuuya Nagasako, Masahiro Tamura, Tomohiro Furuhashi, Yuusuke Shibasaki, Kyosuke Nakada +9 more 2015-07-07
9061859 Sheet processing apparatus and image forming system Kiyoshi Hata, Atsushi Kikuchi, Tomomichi Hoshino, Makoto Hidaka, Shohichi Satoh +3 more 2015-06-23
9050772 Sheet processing apparatus, image forming system, and sheet-bundle fold-enhancing method Makoto Hidaka, Satoshi Saito, Shohichi Satoh, Mamoru Kambayashi, Tomomichi Hoshino +2 more 2015-06-09
9044915 Sheet processing device and image forming system Tomomichi Hoshino, Kiyoshi Hata, Atsushi Kikuchi, Makoto Hidaka, Satoshi Saito +3 more 2015-06-02
9045310 Sheet processing apparatus, image forming system, and method of enhancing folding of sheet bundle Kiyoshi Hata, Atsushi Kikuchi, Tomomichi Hoshino, Mamoru Kambayashi, Shohichi Satoh +2 more 2015-06-02
8960660 Sheet processing apparatus and image forming system Tomohiro Furuhashi, Masahiro Tamura, Shuuya Nagasako, Kazuya Yamamoto, Kyosuke Nakada +8 more 2015-02-24
8936240 Sheet discharging device, image forming system, and sheet discharging method Tomomichi Hoshino, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Kyosuke Nakada +19 more 2015-01-20
8931773 Sheet folding device having inclined stacking surface Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Yuusuke Shibasaki, Kazuya Yamamoto +9 more 2015-01-13
8925917 Sheet output device, sheet processing apparatus, image forming system, and sheet output method Takahiro Watanabe, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Kyosuke Nakada +8 more 2015-01-06
8770569 Sheet processing apparatus, image forming system, and sheet processing method Tomohiro Furuhashi, Masahiro Tamura, Shuuya Nagasako, Yuusuke Shibasaki, Kazuya Yamamoto +9 more 2014-07-08
8727345 Sheet discharging device, sheet processing apparatus, image forming system, and sheet discharging method Kazunori Konno, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Yuusuke Shibasaki +9 more 2014-05-20
8712299 Image forming apparatus having a primary transfer unit, a secondary transfer unit, and a direct transfer unit Narumi Sugita, Toshiyuki Uchida, Yohei Miura 2014-04-29
8702087 Sheet handling apparatus, image forming system, and sheet reception control method Tomohiro Furuhashi, Masahiro Tamura, Shuuya Nagasako, Yuusuke Shibasaki, Kazuya Yamamoto +9 more 2014-04-22
8534670 Sheet conveying device, sheet post-processing apparatus, and image forming apparatus Tomohiro Furuhashi 2013-09-17
8521046 Image forming apparatus Kouji Amanai, Joh Ebara, Toshiyuki Uchida, Yohei Miura, Narumi Sugita 2013-08-27
8496239 Sheet processing apparatus, image forming system, and sheet processing method Tomohiro Furuhashi 2013-07-30
8485514 Sheet processing apparatus, image forming system, and sheet processing method Tomohiro Furuhashi, Masahiro Tamura, Shuuya Nagasako, Yuusuke Shibasaki, Kyosuke Nakada +9 more 2013-07-16
8398067 Sheet processing apparatus and image forming apparatus Tomohiro Furuhashi 2013-03-19
8393618 Skew correction device, sheet handling apparatus, and image forming system Kyosuke Nakada, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Yuusuke Shibasaki +9 more 2013-03-12
8331822 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus Kazuhiko Kobayashi, Joh Ebara, Yasuhisa Ehara, Kouji Amanai, Seiichi Handa +3 more 2012-12-11
8260179 Image forming apparatus including first and second image forming devices and first and second belt units Yohei Miura, Kouji Amanai, Joh Ebara, Toshiyuki Uchida, Narumi Sugita +2 more 2012-09-04