Inventor · disambiguated record
Masaru Ohno
Also filed as: OHNO MASARU
24 granted patents·2 pending applications·53 citations·filing 1981–2018
93Inventor score
Top patents by PatentIndex Score
26 records- 0195US9158238B2Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer beltCANON KK·Filed 2013·Granted Oct 13, 2015·10 cites·35 claims
- 0294US9417568B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer beltCANON KK·Filed 2015·Granted Aug 16, 2016·6 cites·32 claims
- 0393US9002227B2Image forming apparatusCANON KK·Filed 2013·Granted Apr 7, 2015·8 cites·13 claims
- 0492US9817342B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer beltCANON KK·Filed 2016·Granted Nov 14, 2017·4 cites·16 claims
- 0591US10078297B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 18, 2018·5 cites·18 claims
- 0685US8909111B2Image forming apparatusCANON KK·Filed 2013·Granted Dec 9, 2014·3 cites·16 claims
- 0784US10180643B2Image forming apparatus having intermediate transfer belt, secondary transfer member that contacts outer surface of intermediate transfer belt, opposed member opposed to secondary transfer member via intermediate transfer belt, contact member that contacts inner surface of intermediate transfer belt, and constant-voltage element through which opposed member and contact member are groundedCANON KK·Filed 2017·Granted Jan 15, 2019·1 cites·14 claims
- 0884US9046861B2Image-forming apparatusCANON KK·Filed 2014·Granted Jun 2, 2015·3 cites·14 claims
- 0983US9063497B2Image forming apparatus having a power supply common to primary transfer and secondary transferCANON KK·Filed 2013·Granted Jun 23, 2015·3 cites·16 claims
- 1082US9454108B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 27, 2016·2 cites·14 claims
- 1170US10627749B2Image forming apparatus having transfer power source that applies voltage to secondary transfer member to perform secondary transfer of toner images from electrically conductive intermediate transfer belt to recording materials, toner images on image carrier primarily transferred to belt by transfer power source and contact member in which an electric potential is formed by constant-voltage element, transfer power source and auxiliary power sourceCANON KK·Filed 2018·Granted Apr 21, 2020·0 cites·9 claims
- 1270US9494894B2Image forming apparatusCANON KK·Filed 2014·Granted Nov 15, 2016·1 cites·12 claims
- 1367US9176436B2Image forming apparatus with a brush member configured to charge untransferred developer materialCANON KK·Filed 2012·Granted Nov 3, 2015·1 cites·13 claims
- 1462US9250576B2Image forming apparatusCANON KK·Filed 2014·Granted Feb 2, 2016·0 cites·14 claims
- 1556US9256187B2Image forming apparatus using two power supply units to control transfer currentCANON KK·Filed 2015·Granted Feb 9, 2016·0 cites·13 claims
- 1653US10459361B2Image forming apparatus with voltage adjustment memberCANON KK·Filed 2017·Granted Oct 29, 2019·0 cites·24 claims
- 1749US9507295B2Image forming apparatusCANON KK·Filed 2014·Granted Nov 29, 2016·0 cites·12 claims
- 1847US9395655B2Image forming apparatusCANON KK·Filed 2015·Granted Jul 19, 2016·0 cites·11 claims
- 1945US10120322B2Image forming apparatusCANON KK·Filed 2017·Granted Nov 6, 2018·0 cites·31 claims
- 2043US10216119B2Image forming apparatus with adjustment of potential for secondary transferCANON KK·Filed 2017·Granted Feb 26, 2019·0 cites·11 claims
- 2143US9081354B2Image forming apparatusCANON KK·Filed 2013·Granted Jul 14, 2015·0 cites·10 claims
- 2242USD278817SFacsimile TransceiverMatsushita Graphic Communication System·Filed 1983·Granted May 14, 1985·4 cites·1 claims
- 2341US2018246451A1Image forming apparatusCANON KK·Filed 2018·Application pending·0 cites
- 2436US9519238B2Image forming apparatus with photoconductor drum preservationCANON KK·Filed 2015·Granted Dec 13, 2016·0 cites·11 claims
- 2534US2015286164A1Image forming apparatusCANON KK·Filed 2015·Application pending·0 cites
- 2630US4376795AMethod of producing image sensorNIPPON TELEGRAPH & TELEPHONE·Filed 1981·Granted Mar 15, 1983·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →