Inventor · disambiguated record
Masaru Yamagishi
Also filed as: YAMAGISHI MASARU
15 granted patents·259 citations·filing 1996–2016
93Inventor score
Top patents by PatentIndex Score
15 records- 0193US5737682ADuplex sheet feeding device for an image forming apparatusRICOH KK·Filed 1996·Granted Apr 7, 1998·58 cites·25 claims
- 0292US6530569B2Sheet conveying device and image forming apparatus including the sameRICOH KK·Filed 2001·Granted Mar 11, 2003·36 cites·49 claims
- 0388US10065824B2Stacking apparatusEDO YOUSUKE·Filed 2016·Granted Sep 4, 2018·5 cites·16 claims
- 0487US8052141B2Recording-medium storage device and image forming apparatusRICOH CO LTD·Filed 2008·Granted Nov 8, 2011·11 cites·18 claims
- 0587US7516955B2Paper feed tray, paper feeding apparatus, and image forming apparatus including paper aligning unitsRICOH KK·Filed 2005·Granted Apr 14, 2009·11 cites·8 claims
- 0685US6393252B1Duplex image recording method and apparatus with interleaf controlRICOH KK·Filed 2000·Granted May 21, 2002·29 cites·29 claims
- 0782US6690911B2Sheet reversing and discharging device and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Feb 10, 2004·19 cites·49 claims
- 0881US8002261B2Feeding method, feeding device, and image forming systemRICOH COMPANY LIMTED·Filed 2008·Granted Aug 23, 2011·7 cites·17 claims
- 0979US6279900B1Sheet guide device with sheet position adjusting mechanism and image forming apparatus using the same deviceRICOH KK·Filed 1999·Granted Aug 28, 2001·26 cites·19 claims
- 1075US6246248B1Tester for detecting an abnormal quiescent power supply current in a device under testANDO ELECTRIC·Filed 1999·Granted Jun 12, 2001·37 cites·15 claims
- 1174US7584956B2Image forming apparatus, sheet size detection device, and sheet size detection methodRICOH KK·Filed 2008·Granted Sep 8, 2009·5 cites·13 claims
- 1272US7889344B2Transmitted-light-intensity measuring device, medium identifying device, medium conveying device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Feb 15, 2011·4 cites·16 claims
- 1364US6711377B2Double-sided image forming device having a turnable guide guiding a rear end of a large-size sheetRICOH KK·Filed 2002·Granted Mar 23, 2004·9 cites·7 claims
- 1456US7443490B2Medium discrimination device, image forming apparatus, and program having simplified mechanismRICOH KK·Filed 2006·Granted Oct 28, 2008·2 cites·31 claims
- 1536US8639174B2To-be-transferred object length measurement device and image forming apparatus and computer-readable storage mediumASHIKAWA MASAHIRO·Filed 2010·Granted Jan 28, 2014·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →