TA

Takeshi Akai

Ricoh Company: 26 patents #784 of 9,818Top 8%
Overall (All Time): #150,189 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12291042 Droplet discharge device and droplet discharge method Yu Yamaya, Takahiko Matsumoto, Yusuke NONOYAMA, Daisuke Arai 2025-05-06
11097544 Liquid discharging head and liquid discharging apparatus Koichi Muramatsu, Takahiko Matsumoto, Shinnosuke Koshizuka, Satoshi Okano, Satoshi Nakazawa +7 more 2021-08-24
11001072 Liquid discharge head, liquid discharge device, dispensing device, and liquid discharge method Manabu Yamanaka, Daisuke Takagi, Shinnosuke Koshizuka, Hiroshi Fujie, Yu Yamaya +1 more 2021-05-11
10807372 Liquid droplet discharging unit, liquid droplet forming device, and stirring device Hiroshi Fujie, Keisuke Sugiyama, Daisuke Takagi, Hiroki Somada, Manabu Yamanaka 2020-10-20
10513404 Sheet-material supply device Hidehiko Fujiwara, Yasuo Niikura, Yousuke Edo, Satoru Takano, Yasunori Hino +4 more 2019-12-24
10384897 Sheet-member separation device, sheet-member separation method, program, and image forming apparatus Satoru Takano, Hidehiko Fujiwara, Yasuo Niikura, Yousuke Edo, Yasunori Hino +4 more 2019-08-20
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, Ikuhisa Okamoto, Takehisa Shimazu, Youhei Niitsuma 2018-10-09
10065824 Stacking apparatus Yousuke Edo, Yasufumi Takahashi, Yasuo Niikura, Satoru Takano, Hidehiko Fujiwara +10 more 2018-09-04
9950886 Sheet conveying device, image reading device incorporating the sheet conveying device, and image forming apparatus incorporating the sheet conveying device Takehisa Shimazu, Keisuke Sugiyama, Takaya Ochiai 2018-04-24
9938099 Sheet conveying device, sheet feeder, and image forming apparatus Ikuhisa Okamoto, Takehisa Shimazu, Youhei Niitsuma, Takaya Ochiai 2018-04-10
9834398 Sheet conveying device, sheet feeder, and image forming apparatus Youhei Niitsuma, Ikuhisa Okamoto, 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
9359167 Sheet processing device, image forming system, and method of additionally folding sheet bundle Akihiro Musha, Keisuke Sugiyama, Kiyoshi Hata, Ikuhisa Okamoto, Jun Yamada +1 more 2016-06-07
9238559 Auto document feeder and image forming apparatus Shinya Kitaoka, Koki Sakano, Fumiyuki Heishi 2016-01-19
9221648 Sheet processing device, image forming system, and method of additionally folding sheet bundle Keisuke Sugiyama, Kiyoshi Hata, Ikuhisa Okamoto, Jun Yamada, Takao Watanabe +1 more 2015-12-29
9075376 Automatic document feeder and image forming apparatus including the same Hiroaki Utagawa, Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Fumiyuki Heishi +3 more 2015-07-07
9013763 Image reading apparatus and image forming apparatus Hiroshi Kubo, Hidehiko Fujiwara, Atsushi Kanaya, Shinya Kitaoka, Fumiyuki Heishi +3 more 2015-04-21
8950743 Automatic document feeder, image reading device including the same, and image forming apparatus including the same Koki Sakano, Hiroshi Kubo, Shinya Kitaoka, Hidehiko Fujiwara, Atsushi Kanaya +2 more 2015-02-10
8925913 Sheet conveying device, image reading device, and image forming apparatus Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, 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, Takehisa Shimazu +9 more 2014-11-25
8743431 Sheet conveying device, image reading device, and image forming device Kenji Hayasaka, Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takuma Ariga +10 more 2014-06-03
8614839 Image reader, auto document feeder, and image forming apparatus capable of generating shading data Motoya Sano, Takashi Fujii, Hiroshi Kubo, Shinya Kitaoka, Atsushi Kanaya +3 more 2013-12-24
8599450 Image read device and copier Hiroshi Kubo, Takashi Fujii, Yasuo Kosuga, Tatsuaki Nagano, Kenichiro Morita 2013-12-03
8570623 Deep focus image reading system and image forming apparatus Takashi Fujii, Hiroshi Kubo, Tatsuaki Nagano, Yasuo Kosuga, Kenichiro Morita 2013-10-29
8331847 Bookbinding system, bookbinding method, and recording medium storing bookbinding program Shingo Matsushita, Junichi Iida, Hiroki Okada, Takeshi Sasaki 2012-12-11