Inventor · disambiguated record
Hirofumi Tsuji
Also filed as: TSUJI HIROFUMI
27 granted patents·3 pending applications·141 citations·filing 2000–2025
93Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC23TSUJI HIROFUMI2DENSO CORP1HAMADA PRINTING PRESS1INOVEX CO LTD1
Top patents by PatentIndex Score
30 records- 0192US11500307B2Toner conveying device of image forming apparatus including pushing member to push conveyance member from different directionsKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Nov 15, 2022·2 cites·6 claims
- 0291US7820205B2Platinum colloid-containing aqueous solution for treating schizophreniaINOVEX CO LTD·Filed 2005·Granted Oct 26, 2010·56 cites·6 claims
- 0389US9075375B2Driving device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jul 7, 2015·5 cites·18 claims
- 0488US6455594B1Method for producing platinum colloid, and platinum colloid produced by the sameYOKOHAMA TOWN SERVICE CO LTD·Filed 2000·Granted Sep 24, 2002·49 cites·5 claims
- 0583US11372611B2Vehicular display control system and non-transitory computer readable medium storing vehicular display control programDENSO CORP·Filed 2020·Granted Jun 28, 2022·2 cites·14 claims
- 0682US8867963B2Driving mechanism and image forming apparatus comprising the sameTSUJI HIROFUMI·Filed 2011·Granted Oct 21, 2014·4 cites·9 claims
- 0778US2025362632A1Sheet conveyance device, image forming apparatus, and image reading apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 0877US10599080B2Fixing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Mar 24, 2020·1 cites·14 claims
- 0976US10114313B2Toner conveying device, image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Oct 30, 2018·1 cites·7 claims
- 1075US9176456B2Image forming unit and image forming apparatus comprising first process roller and second process rollerKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Nov 3, 2015·2 cites·8 claims
- 1174US7455401B2Line-dot recorderHAMADA PRINTING PRESS·Filed 2004·Granted Nov 25, 2008·17 cites·24 claims
- 1271US9244422B2Cleaning device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Jan 26, 2016·1 cites·6 claims
- 1369US9058012B2Photosensitive drum unit, and image forming apparatus using the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jun 16, 2015·1 cites·8 claims
- 1459US12411437B2Toner container and image forming apparatus including the toner containerKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted Sep 9, 2025·0 cites·5 claims
- 1558US12449747B2Developing device and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted Oct 21, 2025·0 cites·7 claims
- 1657US10838322B2Toner conveying device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Nov 17, 2020·0 cites·8 claims
- 1754US10824091B2Development device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Nov 3, 2020·0 cites·7 claims
- 1854US10809659B2Cleaning device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Oct 20, 2020·0 cites·14 claims
- 1953US11314194B2Lighting device, static eliminating device, and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Apr 26, 2022·0 cites·10 claims
- 2050US11693336B2Toner conveying device of image forming apparatus including pushing member to push conveyance member from different directionsKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Jul 4, 2023·0 cites·5 claims
- 2149US10824093B2Development device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Granted Nov 3, 2020·0 cites·10 claims
- 2249US8543049B2Cleaning apparatus and image forming apparatusKOBAYASHI KIYOTAKA·Filed 2010·Granted Sep 24, 2013·0 cites·22 claims
- 2348US12060241B2Sheet conveying device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Aug 13, 2024·0 cites·6 claims
- 2447US8744317B2Electrification apparatus and image forming apparatus including the sameTSUJI HIROFUMI·Filed 2011·Granted Jun 3, 2014·0 cites·17 claims
- 2544US11906922B2Sorting device and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Feb 20, 2024·0 cites·6 claims
- 2642US10088800B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Oct 2, 2018·0 cites·4 claims
- 2740US10175630B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Jan 8, 2019·0 cites·8 claims
- 2840US9329568B1Developing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted May 3, 2016·0 cites·7 claims
- 2940US2018307161A1Developer conveying mechanism, and developing device and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Application pending·0 cites
- 3037US2020264534A1Development device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2020·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →