IO

Ikuhisa Okamoto

Ricoh Company: 27 patents #743 of 9,818Top 8%
Overall (All Time): #145,320 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
11442391 Drive control device, driving device, sheet conveying device, and image forming apparatus Keisuke Sugiyama, Hidehiko Fujiwara, Jun Yamada, Takashi Saito 2022-09-13
10097720 Sound absorber, sheet feeder incorporating the sound absorber, image reading device incorporating the sheet feeder, image forming apparatus incorporating the sound absorber, and electronic device incorporating the sound absorber Takaya Ochiai, Takeshi Akai, Takehisa Shimazu, Youhei Niitsuma 2018-10-09
9938099 Sheet conveying device, sheet feeder, and image forming apparatus Takeshi Akai, Takehisa Shimazu, Youhei Niitsuma, Takaya Ochiai 2018-04-10
9834398 Sheet conveying device, sheet feeder, and image forming apparatus Youhei Niitsuma, Takeshi Akai, Takehisa Shimazu, Takaya Ochiai 2017-12-05
9624061 Sheet processing device, image forming system, and computer-readable storage medium Shingo Matsushita, Keisuke Sugiyama, Kiyoshi Hata, Takashi Saito, Akihiro Musha +8 more 2017-04-18
9415560 Sheet processing apparatus, image forming system, and image forming apparatus Takuya Morinaga, Nobuyoshi Suzuki, Katsuhiro Kosuge, Yuusuke Shibasaki, Ryuji Yoshida +4 more 2016-08-16
9359167 Sheet processing device, image forming system, and method of additionally folding sheet bundle Akihiro Musha, Keisuke Sugiyama, Kiyoshi Hata, Takeshi Akai, Jun Yamada +1 more 2016-06-07
9315356 Sheet processing apparatus having binding unit and image forming system thereof Ryuji Yoshida, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Yuusuke Shibasaki +6 more 2016-04-19
9254621 Method for attaching crimping members, sheet binding device, and image forming apparatus Wataru Takahashi, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Yuusuke Shibasaki +4 more 2016-02-09
9221648 Sheet processing device, image forming system, and method of additionally folding sheet bundle Keisuke Sugiyama, Kiyoshi Hata, Takeshi Akai, Jun Yamada, Takao Watanabe +1 more 2015-12-29
9102492 Clamping binding device Takashi Saito, Katsuhiro Kosuge, Shingo Matsushita, Yuusuke Shibasaki, Satoshi Saito +5 more 2015-08-11
9096091 Postprocessing apparatus, and image forming apparatus and image forming system including the postprocessing apparatus Yuusuke Shibasaki, Nobuyoshi Suzuki, Katsuhiro Kosuge, Takashi Saito, Shingo Matsushita +4 more 2015-08-04
9090051 Sheet binding device, sheet processing apparatus, image forming apparatus, image forming system, and sheet binding method Wataru Takahashi, Nobuyoshi Suzuki, Yuusuke Shibasaki, Ryuji Yoshida, Takashi Saito +4 more 2015-07-28
9028189 Booklet stacker, ring-binding device, ring-binding system, and booklet stacking method Takeshi Sasaki, Junichi Iida, Shingo Matsushita, Satoshi Saito 2015-05-12
9010753 Sheet processing apparatus and image forming system Yuusuke Shibasaki, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Ryuji Yoshida +4 more 2015-04-21
8991808 Sheet processing apparatus, image forming system, and sheet binding method Nobuyoshi Suzuki, Yuusuke Shibasaki, Shingo Matsushita, Takuya Morinaga, Makoto Hidaka +5 more 2015-03-31
8947681 Insertion system and insertion method Shingo Matsushita, Takeshi Sasaki, Satoshi Saito, Junichi Tokita, Akira Kunieda +2 more 2015-02-03
8925913 Sheet conveying device, image reading device, and image forming apparatus Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takeshi Akai, Takuma Ariga +9 more 2015-01-06
8905395 Sheet processing apparatus, image forming system, and sheet processing method Nobuyoshi Suzuki, Shingo Matsushita, Takashi Saito, Satoshi Saito, Makoto Hidaka +3 more 2014-12-09
8899568 Sheet processing apparatus and image forming system Shingo Matsushita, Nobuyoshi Suzuki, Takashi Saito, Satoshi Saito, Katsuhiro Kosuge +5 more 2014-12-02
8896891 Document conveying device, image reading device, and image forming apparatus Fumiyuki Heishi, Hiroshi Kubo, Takashi Fujii, Shinya Kitaoka, Takeshi Akai +9 more 2014-11-25
8794731 Image forming system and insertion method Takahiro Watanabe, Shingo Matsushita, Takeshi Sasaki, Satoshi Saito, Akira Kunieda +1 more 2014-08-05
8743431 Sheet conveying device, image reading device, and image forming device Kenji Hayasaka, Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takeshi Akai +10 more 2014-06-03
8668192 Insertion system, image forming system, and insertion method Shingo Matsushita, Takeshi Sasaki, Satoshi Saito, Akira Kunieda, Takahiro Watanabe +1 more 2014-03-11
8523165 Recording media sheet processing system, image forming system including same, and insertion method used therein Akira Kunieda, Kiichiroh Gotoh, Junichi Iida, Takeshi Sasaki, Masahiro Tamura +4 more 2013-09-03