Inventor · disambiguated record
Takefumi Yotsutsuji
Also filed as: YOTSUTSUJI TAKEFUMI
23 granted patents·2 pending applications·18 citations·filing 2011–2021
90Inventor score
Technology areasG03G
Top patents by PatentIndex Score
25 records- 0191US9804547B2Fixing device and image forming apparatus that reduce rotation failure of fixing beltKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Oct 31, 2017·5 cites·5 claims
- 0286US9031472B2Developing device with a developer conveying member having paddles connecting spiral blades at one circumferential position and image forming apparatus with such a developing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted May 12, 2015·4 cites·11 claims
- 0382US9778607B2Fixing device having fixing belt and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Oct 3, 2017·2 cites·6 claims
- 0482US8958724B2Developing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Feb 17, 2015·3 cites·12 claims
- 0575US8942600B2Developing apparatus and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jan 27, 2015·2 cites·18 claims
- 0671US9400465B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jul 26, 2016·1 cites·12 claims
- 0767US9104160B2Image forming apparatus that adjusts density of toner image based on replacement rate of toner in developing part and toner in replaced cartridgeKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Aug 11, 2015·1 cites·6 claims
- 0853US9658583B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted May 23, 2017·0 cites·10 claims
- 0950US9335691B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted May 10, 2016·0 cites·8 claims
- 1047US9229393B2Fixing device configured to fix a toner image onto a recording medium and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jan 5, 2016·0 cites·10 claims
- 1146US9405245B2Fixing device comprising deformation preventing member for preventing deformation of fixing belt and image forming apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Aug 2, 2016·0 cites·10 claims
- 1246US8918037B2Developing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Dec 23, 2014·0 cites·8 claims
- 1345US9235163B2Development device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Jan 12, 2016·0 cites·6 claims
- 1444US9372457B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jun 21, 2016·0 cites·10 claims
- 1544US9229346B2Image forming apparatus that controls discharge and replenishment of developer based on the electric charge amount of the developer contained in developing part and compositions of existing developer and new developerKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jan 5, 2016·0 cites·3 claims
- 1644US9063468B2Developing device and image forming apparatus provided therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Jun 23, 2015·0 cites·6 claims
- 1743US9817344B2Fixing device capable of sensing temperature of heating body outside frame surrounding heating body regardless of moving frame and image forming apparatus including this fixing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Nov 14, 2017·0 cites·12 claims
- 1843US9323179B2Developing unit and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Apr 26, 2016·0 cites·4 claims
- 1943US9310718B2Development device and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Apr 12, 2016·0 cites·4 claims
- 2041US2021247709A1Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Application pending·0 cites
- 2140US9436141B2Fixing device comprising controller which judges whether or not fixing belt is rotating and image forming apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Sep 6, 2016·0 cites·12 claims
- 2239US9405246B2Fixing device comprising heating stop device to stop heat source from heating fixing belt and image forming apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Aug 2, 2016·0 cites·11 claims
- 2337US2017090363A1Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Application pending·0 cites
- 2436US9454115B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Sep 27, 2016·0 cites·8 claims
- 2531US9329531B2Developing device, image forming unit and image forming apparatus provided with the sameYOTSUTSUJI TAKEFUMI·Filed 2011·Granted May 3, 2016·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →