MY

Masaru Yamagishi

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
AC Ando Electric Co.: 1 patents #158 of 301Top 55%
RL Ricoh Company, Limted: 1 patents #1 of 26Top 4%
Overall (All Time): #321,555 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10065824 Stacking apparatus Yousuke Edo, Yasufumi Takahashi, Yasuo Niikura, Satoru Takano, Hidehiko Fujiwara +10 more 2018-09-04
8639174 To-be-transferred object length measurement device and image forming apparatus and computer-readable storage medium Masahiro Ashikawa, Tatsuya Watahiki, Minoru Takahashi, Hideyuki Takayama, Takahisa Koike +6 more 2014-01-28
8052141 Recording-medium storage device and image forming apparatus 2011-11-08
8002261 Feeding method, feeding device, and image forming system Yuichi Hirose, Takayuki Nishimura, Hideaki Matsui, Takashi Fukumoto 2011-08-23
7889344 Transmitted-light-intensity measuring device, medium identifying device, medium conveying device, and image forming apparatus 2011-02-15
7584956 Image forming apparatus, sheet size detection device, and sheet size detection method 2009-09-08
7516955 Paper feed tray, paper feeding apparatus, and image forming apparatus including paper aligning units 2009-04-14
7443490 Medium discrimination device, image forming apparatus, and program having simplified mechanism Nobuo Inoue, Kouki Sakamoto, Nobuyuki Shimodaira, Takashi Koshinuma, Yasuharu Gaman +1 more 2008-10-28
6711377 Double-sided image forming device having a turnable guide guiding a rear end of a large-size sheet 2004-03-23
6690911 Sheet reversing and discharging device and image forming apparatus using the same 2004-02-10
6530569 Sheet conveying device and image forming apparatus including the same 2003-03-11
6393252 Duplex image recording method and apparatus with interleaf control 2002-05-21
6279900 Sheet guide device with sheet position adjusting mechanism and image forming apparatus using the same device 2001-08-28
6246248 Tester for detecting an abnormal quiescent power supply current in a device under test 2001-06-12
5737682 Duplex sheet feeding device for an image forming apparatus 1998-04-07