HK

Hiroshi Kajiyama

Ricoh Company: 4 patents #201 of 1,683Top 15%
Overall (2011): #27,585 of 364,097Top 8%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8016283 Recording sheet feeder and image forming apparatus providing easy maintenance with simple structure Masayuki Ueda, Hiroyuki Watase, Ryo Takenaka 2011-09-13
7992858 Sheet conveying apparatus, image scanning apparatus, and image forming apparatus Yasuhiro Sagawa, Kenji Ueda, Masayuki Ueda, Hiroyuki Watase, Naoyuki Okamoto +2 more 2011-08-09
7931267 Sheet feed device with sheet tray guide unit 2011-04-26
7922167 Sheet conveying device, and image forming apparatus including same Hiroyuki Watase, Masayuki Ueda, Tadashi Kusumi 2011-04-12