FH

Fumiyuki Heishi

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #552,311 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11671549 Image reading device and image forming apparatus for correcting a read image Hiroshi Kubo, Shinya Kitaoka, Satoshi Saito, Yoshito Suzuki, Kimiharu Yanagisawa +1 more 2023-06-06
10392209 Sheet feeding sub tray, sheet conveying device, image reading device, and image forming apparatus Joji Akiyama 2019-08-27
9238559 Auto document feeder and image forming apparatus Takeshi Akai, Shinya Kitaoka, Koki Sakano 2016-01-19
9075376 Automatic document feeder and image forming apparatus including the same Hiroaki Utagawa, Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takeshi Akai +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
8950743 Automatic document feeder, image reading device including the same, and image forming apparatus including the same Koki Sakano, Hiroshi Kubo, Shinya Kitaoka, Takeshi Akai, Hidehiko Fujiwara +2 more 2015-02-10
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
8896891 Document conveying device, image reading device, and image forming apparatus Hiroshi Kubo, Takashi Fujii, Shinya Kitaoka, Takeshi Akai, 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, Takeshi Akai +10 more 2014-06-03