Inventor · disambiguated record
Tamotsu Shimizu
Also filed as: SHIMIZU TAMOTSU
106 granted patents·15 pending applications·448 citations·filing 1984–2025
99Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC95MINOLTA CO LTD9HITACHI LTD5MINOLTA CAMERA KK4FUJIHARA KENSUKE2
Top patents by PatentIndex Score
121 records- 0195US11112722B1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Sep 7, 2021·4 cites·20 claims
- 0295US4721553AMethod and apparatus for microwave assisting sputteringHITACHI LTD·Filed 1985·Granted Jan 26, 1988·100 cites·33 claims
- 0393US11977350B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted May 7, 2024·2 cites·5 claims
- 0490US4675096AContinuous sputtering apparatusHITACHI LTD·Filed 1984·Granted Jun 23, 1987·58 cites·9 claims
- 0586US9031472B2Developing 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
- 0686US8897676B2Image forming apparatusNAKAUE TAKAHISA·Filed 2012·Granted Nov 25, 2014·5 cites·4 claims
- 0786US8862029B2Image forming apparatusSHIMIZU TAMOTSU·Filed 2012·Granted Oct 14, 2014·5 cites·5 claims
- 0883US10698337B2Image 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
- 0982US11209752B2Developing device and image forming apparatus therewithKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Dec 28, 2021·1 cites·6 claims
- 1082US10775727B2Image forming apparatus with a charging amount acquisition unit that performs a charging amount acquisition operation for forming a measurement toner image on an image carrierKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Sep 15, 2020·2 cites·6 claims
- 1182US9829829B2Developing device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Nov 28, 2017·2 cites·14 claims
- 1282US8958724B2Developing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Feb 17, 2015·3 cites·12 claims
- 1381US11163243B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2021·Granted Nov 2, 2021·1 cites·16 claims
- 1481US9207583B1Developing device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Dec 8, 2015·2 cites·10 claims
- 1581US7979011B2Image forming apparatus having a photoconductive drumKYOCERA MITA CORP·Filed 2009·Granted Jul 12, 2011·7 cites·17 claims
- 1681US5911098ADevelopment apparatus and method using selectively applied AC voltagesMINOLTA CO LTD·Filed 1998·Granted Jun 8, 1999·31 cites·16 claims
- 1781US4747926AConical-frustum sputtering target and magnetron sputtering apparatusHITACHI LTD·Filed 1986·Granted May 31, 1988·51 cites·14 claims
- 1879US9304438B2Developer container and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Apr 5, 2016·3 cites·15 claims
- 1978US9274453B2Developing roller, developing device, and image forming apparatus including developing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Mar 1, 2016·2 cites·5 claims
- 2076US10691052B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Jun 23, 2020·1 cites·9 claims
- 2176US9983499B2Discharging member, and charge eliminating device/image forming apparatus including the discharging memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted May 29, 2018·1 cites·11 claims
- 2275US10185281B2Image forming apparatus provided with a photosensitive member having a photosensitive layer and a surface protection layer which is formed on the surface of the photosensitive layer and which has a hardness higher than that of the photosensitive layerKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Jan 22, 2019·1 cites·18 claims
- 2375US8942600B2Developing apparatus and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jan 27, 2015·2 cites·18 claims
- 2474US8666292B2Developer case and image forming apparatus to which developer case is appliedSHIMIZU TAMOTSU·Filed 2012·Granted Mar 4, 2014·2 cites·23 claims
- 2574US5266364AMethod and apparatus for controlling plasma processingHITACHI LTD·Filed 1991·Granted Nov 30, 1993·25 cites·23 claims
- 2674US2025291293A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2774US2025291271A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2871US9304479B1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Apr 5, 2016·1 cites·4 claims
- 2969US9291944B2Developing device having a control device that performs a recovery process and image forming apparatus including the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Mar 22, 2016·1 cites·11 claims
- 3068US5074985AFilm forming apparatusHITACHI LTD·Filed 1990·Granted Dec 24, 1991·19 cites·14 claims
- 3167US8977169B2Toner supply system for image forming apparatus development deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2012·Granted Mar 10, 2015·1 cites·12 claims
- 3267US8903284B2Developer storage container with a conveyor member that simultaneously conveys toner in opposite directions and image forming apparatus with the sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2012·Granted Dec 2, 2014·1 cites·19 claims
- 3365US10534281B2Discharge member, charge eliminating device including the same, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Jan 14, 2020·0 cites·18 claims
- 3465US9217950B2Developing device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Dec 22, 2015·1 cites·5 claims
- 3565US9207565B2Developing device and image forming apparatus provided with sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Dec 8, 2015·1 cites·7 claims
- 3665US8116647B2Image forming apparatus and method for controlling sameFUJIHARA KENSUKE·Filed 2009·Granted Feb 14, 2012·3 cites·20 claims
- 3764US5446526ADeveloping device having a developer transport roller with a magnetic field distribution that eliminates streaking and foggingMINOLTA CAMERA KK·Filed 1994·Granted Aug 29, 1995·14 cites·9 claims
- 3863US11747747B2Image forming apparatus and control method of image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Sep 5, 2023·0 cites·9 claims
- 3962US9304445B2Developing roller, developing device, image forming apparatus, and manufacturing method of developing rollerKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Apr 5, 2016·0 cites·8 claims
- 4061US8478150B2Image forming apparatus and method for controlling sameFUJIHARA KENSUKE·Filed 2009·Granted Jul 2, 2013·2 cites·18 claims
- 4161US5758240ADeveloping apparatus and image forming apparatusMINOLTA CO LTD·Filed 1996·Granted May 26, 1998·14 cites·17 claims
- 4260US5999782ADeveloping device having an AC current with two frequencies and method of using sameMINOLTA CO LTD·Filed 1998·Granted Dec 7, 1999·14 cites·24 claims
- 4359US12038710B2Image forming apparatus capable of accurately acquiring electrical resistance value of transfer member, electrical resistance value acquisition methodKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Granted Jul 16, 2024·0 cites·7 claims
- 4459US2017269498A1Discharge member, charge eliminating device including the same, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Application pending·0 cites
- 4558US11977351B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted May 7, 2024·0 cites·5 claims
- 4658US9122194B2Developing roller, developing device, and image forming apparatus including developing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Sep 1, 2015·0 cites·7 claims
- 4758US9122193B2Developing roller, developing device, and image forming apparatus including developing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Sep 1, 2015·0 cites·10 claims
- 4857US8000631B2Developing device, image forming apparatus, and image forming methodKYOCERA MITA CORP·Filed 2007·Granted Aug 16, 2011·1 cites·4 claims
- 4956US12443127B2Image forming apparatus having odor sensor for detecting odor diffusing from odor generator on toner containerKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted Oct 14, 2025·0 cites·8 claims
- 5056US5828936ADeveloping deviceMINOLTA CO LTD·Filed 1997·Granted Oct 27, 1998·12 cites·5 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →