TS

Takehisa Shimazu

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Overall (All Time): #458,701 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
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, Ikuhisa Okamoto, Youhei Niitsuma 2018-10-09
9950886 Sheet conveying device, image reading device incorporating the sheet conveying device, and image forming apparatus incorporating the sheet conveying device Takeshi Akai, Keisuke Sugiyama, Takaya Ochiai 2018-04-24
9938099 Sheet conveying device, sheet feeder, and image forming apparatus Takeshi Akai, Ikuhisa Okamoto, Youhei Niitsuma, Takaya Ochiai 2018-04-10
9834398 Sheet conveying device, sheet feeder, and image forming apparatus Youhei Niitsuma, Takeshi Akai, Ikuhisa Okamoto, 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
9075376 Automatic document feeder and image forming apparatus including the same Hiroaki Utagawa, Hiroshi Kubo, Shinya Kitaoka, Takeshi Akai, Fumiyuki Heishi +3 more 2015-07-07
9013763 Image reading apparatus and image forming apparatus Hiroshi Kubo, Hidehiko Fujiwara, Atsushi Kanaya, Shinya Kitaoka, Takeshi Akai +3 more 2015-04-21
8925913 Sheet conveying device, image reading device, and image forming apparatus Hiroshi Kubo, Shinya Kitaoka, Takeshi Akai, Takuma Ariga, Fumiyuki Heishi +9 more 2015-01-06
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
8743431 Sheet conveying device, image reading device, and image forming device Kenji Hayasaka, Hiroshi Kubo, Shinya Kitaoka, Takeshi Akai, Takuma Ariga +10 more 2014-06-03
7700876 External device and electronic apparatus Sachiko Nishikino, Yoshiaki Nagao 2010-04-20