YI

Yoshiya Itoh

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #577,296 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8905529 Inkjet recording device Tatsuro Watanabe, Kengo Tsubaki, Hiroyoshi Komaba 2014-12-09
8851643 Inkjet image forming apparatus Kengo Tsubaki, Hiroyoshi Komaba, Tatsuro Watanabe, Hiroyuki Hiratsuka 2014-10-07
8422040 Image forming system and method, management apparatus, and recording medium Yuusuke Noguchi, Akeo Maruyama, Tetsuo Ohtsuka, Michio Sumiyoshi, Shinichi Kudo +2 more 2013-04-16
8405852 Image forming system using a management apparatus to manage software components Yuusuke Noguchi, Akeo Maruyama, Tetsuo Ohtsuka, Michio Sumiyoshi, Shinichi Kudo +2 more 2013-03-26
5878319 Image scanner having a single contact glass and contact-type image sensor movable under automatic document feeder 1999-03-02
5734483 Image scanner having contact-type image sensor 1998-03-31
RE35528 Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine Yozo Matsuura, Shiroh Kondoh, Kazuhiro Yuasa, Hiroshi Saitoh, Hiroyuki Kiyoi +2 more 1997-06-10
5610731 Image scanner having contact-type image sensor movable under automatic document feeder 1997-03-11
5126799 Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine Yozo Matsuura, Shiroh Kondoh, Kazuhiro Yuasa, Hiroshi Saitoh, Hiroyuki Kiyoi +2 more 1992-06-30