Inventor · disambiguated record
Eiji Gyotoku
Also filed as: GYOTOKU EIJI
17 granted patents·88 citations·filing 1997–2022
90Inventor score
Technology areasG03G
Top patents by PatentIndex Score
17 records- 0190US6343201B1Developing apparatus comprising developing roller that is rotated upward from below in developing area and image forming apparatus using the sameMINOLTA CO LTD·Filed 2000·Granted Jan 29, 2002·36 cites·23 claims
- 0283US10698337B2Image forming apparatus with developer information acquisition unit that acquires information relating to deterioration of developer based on an acquired toner charging amountKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Jun 30, 2020·2 cites·8 claims
- 0382US9829829B2Developing device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Nov 28, 2017·2 cites·14 claims
- 0481US5911098ADevelopment apparatus and method using selectively applied AC voltagesMINOLTA CO LTD·Filed 1998·Granted Jun 8, 1999·31 cites·16 claims
- 0567US9229373B1Developing device including a developer feeding member having a rotary shaft, a first transport blade for stirring and transporting developer, a blocking portion for blocking the developer, a paddle extending parallel to the rotary shaft, and a second transport blade for transporting the developer in the opposite direction to the first transport blade, and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jan 5, 2016·1 cites·5 claims
- 0667US9141072B2Image forming apparatus and image deletion reducing methodKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Sep 22, 2015·1 cites·10 claims
- 0756US5828936ADeveloping deviceMINOLTA CO LTD·Filed 1997·Granted Oct 27, 1998·12 cites·5 claims
- 0852US9104168B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Aug 11, 2015·0 cites·11 claims
- 0950US11906912B2Toner conveyance device that can execute toner loosening mode, and developing device and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Feb 20, 2024·0 cites·10 claims
- 1049US11809096B2Toner conveyance device, and developing device and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Nov 7, 2023·0 cites·8 claims
- 1147US11906910B2Image forming apparatus including developer conveying member and toner concentration sensorKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Feb 20, 2024·0 cites·4 claims
- 1247US11906911B2Developing device and image forming apparatus including developer conveying member and toner concentration sensorKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Feb 20, 2024·0 cites·4 claims
- 1347US9122199B2Developing device and an image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Sep 1, 2015·0 cites·9 claims
- 1447US6708016B2Developing device comprising a regulation member having at least one bent partMINOLTA CO LTD·Filed 2002·Granted Mar 16, 2004·3 cites·16 claims
- 1544US9042767B2Image forming apparatus having a drum heaterKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted May 26, 2015·0 cites·10 claims
- 1643US8879938B2Developing device and image forming apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Nov 4, 2014·0 cites·6 claims
- 1734US9366995B2Developing device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jun 14, 2016·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →