Inventor · disambiguated record
Masahide Nakaya
Also filed as: NAKAYA MASAHIDE
26 granted patents·1 pending application·237 citations·filing 1989–2017
96Inventor score
Top patents by PatentIndex Score
27 records- 0192US7579716B2Power storage device and image forming apparatusRICOH KK·Filed 2007·Granted Aug 25, 2009·16 cites·9 claims
- 0291US8909079B2Image forming apparatusAOKI SHINJI·Filed 2011·Granted Dec 9, 2014·7 cites·22 claims
- 0389US6405000B1Image forming apparatus and starting-up methodRICOH KK·Filed 2000·Granted Jun 11, 2002·32 cites·17 claims
- 0488US8818221B2Transfer device and image forming apparatusOGINO YASUHIKO·Filed 2012·Granted Aug 26, 2014·5 cites·19 claims
- 0588US7269368B2Image forming apparatus for forming image with fixing member, power supply control method for controlling the image forming apparatus, and power supply control program for controlling the image forming apparatusRICOH KK·Filed 2005·Granted Sep 11, 2007·9 cites·17 claims
- 0685US8266462B2Image forming apparatus including a boosting-step-down transformer and power control methodNAKAYA MASAHIDE·Filed 2011·Granted Sep 11, 2012·4 cites·8 claims
- 0785US7127189B2Heating unit, auxiliary power unit, fixing unit, and image forming apparatusRICOH KK·Filed 2004·Granted Oct 24, 2006·29 cites·36 claims
- 0884US9031480B2Transfer device including a selectively outputting power supply, image forming apparatus including the same, and method of transferring developer to sheetSUZUKI KATSUHITO·Filed 2013·Granted May 12, 2015·3 cites·10 claims
- 0983US5132869AControl circuitry for an image forming apparatusRICOH KK·Filed 1989·Granted Jul 21, 1992·26 cites·8 claims
- 1081US7236714B2Power source control apparatus, and power source control methodRICOH KK·Filed 2005·Granted Jun 26, 2007·7 cites·14 claims
- 1179US7106988B2Image forming apparatus capable of shortening start up time of fixing deviceRICOH KK·Filed 2005·Granted Sep 12, 2006·4 cites·19 claims
- 1279US6931220B2Image forming apparatus capable of shortening start up time of fixing deviceRICOH KK·Filed 2003·Granted Aug 16, 2005·13 cites·25 claims
- 1377US7913098B2Image forming apparatus and power control methodRICOH CO LTD·Filed 2006·Granted Mar 22, 2011·4 cites·20 claims
- 1477US7693440B2Image forming apparatus for forming image with fixing device power supply control method for controlling the image forming apparatus and power supply control program for controlling the image forming apparatusRICOH KK·Filed 2007·Granted Apr 6, 2010·4 cites·17 claims
- 1576US9465348B2Power supply device, image forming apparatus, and voltage output methodMAEKAWA TOMONORI·Filed 2014·Granted Oct 11, 2016·7 cites·9 claims
- 1672US6674980B2Image forming apparatus capable of shortening start up time of fixing deviceRICOH KK·Filed 2002·Granted Jan 6, 2004·10 cites·12 claims
- 1771US4962307ACorona discharging deviceRICOH KK·Filed 1989·Granted Oct 9, 1990·16 cites·10 claims
- 1862US8736861B2Image forming apparatusSATO NAOKI·Filed 2006·Granted May 27, 2014·5 cites·24 claims
- 1959US5142329AMethod and apparatus for positioning a corona dischargerRICOH KK·Filed 1991·Granted Aug 25, 1992·12 cites·4 claims
- 2057US9400475B2Power supply device to selectively output power and transfer device to transfer a toner image to a sheetSUZUKI KATSUHITO·Filed 2015·Granted Jul 26, 2016·0 cites·20 claims
- 2153US9213297B2Image forming apparatusSATO NAOKI·Filed 2014·Granted Dec 15, 2015·0 cites·8 claims
- 2248US6701103B2Power supply control apparatus and image formation apparatusRICOH KK·Filed 2002·Granted Mar 2, 2004·6 cites·20 claims
- 2348US5673187APower supply systemRICOH KK·Filed 1995·Granted Sep 30, 1997·16 cites·8 claims
- 2444US10101704B2Image forming apparatusNAKAYA MASAHIDE·Filed 2017·Granted Oct 16, 2018·0 cites·12 claims
- 2539US6978098B2Power supply control apparatus and electric deviceRICOH KK·Filed 2004·Granted Dec 20, 2005·2 cites·3 claims
- 2635US2005189923A1Auxiliary power source device, fixing device, image forming apparatus and charge operation control methodFiled 2005·Application pending·0 cites
- 2730US9703252B2Power supply controlling device, power supply device, image forming apparatus, and power supply controlling methodHAKAMADA YUUTO·Filed 2016·Granted Jul 11, 2017·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →