Inventor
SHIMIZU TAMOTSU
JP106 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU TAMOTSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOCERA DOCUMENT SOLUTIONS INC
27 patentsUS11977350B2May 7, 2024
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC2 citations73
US11112722B1Sep 7, 2021
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC4 citations72
US9829829B2Nov 28, 2017
Developing device and image forming apparatus provided with same
KYOCERA DOCUMENT SOLUTIONS INC2 citations72
US9031472B2May 12, 2015
Developing device with a developer conveying member having paddles connecting spiral blades at one circumferential position and image forming apparatus with such a developing device
KYOCERA DOCUMENT SOLUTIONS INC4 citations72
US10775727B2Sep 15, 2020
Image forming apparatus with a charging amount acquisition unit that performs a charging amount acquisition operation for forming a measurement toner image on an image carrier
KYOCERA DOCUMENT SOLUTIONS INC2 citations71
US9304438B2Apr 5, 2016
Developer container and image forming apparatus including the same
KYOCERA DOCUMENT SOLUTIONS INC3 citations69
US11747747B2Sep 5, 2023
Image forming apparatus and control method of image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations62
US11209752B2Dec 28, 2021
Developing device and image forming apparatus therewith
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US11163243B2Nov 2, 2021
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US10698337B2Jun 30, 2020
Image forming apparatus with developer information acquisition unit that acquires information relating to deterioration of developer based on an acquired toner charging amount
KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US10691052B2Jun 23, 2020
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US10185281B2Jan 22, 2019
Image 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 layer
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US9274453B2Mar 1, 2016
Developing roller, developing device, and image forming apparatus including developing device
KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US9207583B1Dec 8, 2015
Developing device and image forming apparatus provided with same
KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US8958724B2Feb 17, 2015
Developing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC3 citations62
US8942600B2Jan 27, 2015
Developing apparatus and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC2 citations62
US12405554B2Sep 2, 2025
Developing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US12346061B2Jul 1, 2025
Developing device provided with a toner trapping mechanism
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US12092993B2Sep 17, 2024
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US12078958B2Sep 3, 2024
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US12007712B2Jun 11, 2024
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11977351B2May 7, 2024
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11693350B2Jul 4, 2023
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11630400B2Apr 18, 2023
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11592760B2Feb 28, 2023
Image forming apparatus that detects surface potential of image carrier with high accuracy
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11573501B2Feb 7, 2023
Image forming apparatus capable of calculating surface potential of image carrier based on development current
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
US11556074B2Jan 17, 2023
Image forming apparatus comprising image bearing member surface potential calculating section
KYOCERA DOCUMENT SOLUTIONS INC0 citations52
MINOLTA CO LTD
8 patentsUS5911098AJun 8, 1999
Development apparatus and method using selectively applied AC voltages
MINOLTA CO LTD31 citations92
US5758240AMay 26, 1998
Developing apparatus and image forming apparatus
MINOLTA CO LTD14 citations74
US5828936AOct 27, 1998
Developing device
MINOLTA CO LTD12 citations73
US5688622ANov 18, 1997
Developing method
MINOLTA CO LTD10 citations73
US5999782ADec 7, 1999
Developing device having an AC current with two frequencies and method of using same
MINOLTA CO LTD14 citations72
US5860040AJan 12, 1999
Developing apparatus having stop period during which no AC electric field is exerted between developer carrying member and image carrying member
MINOLTA CO LTD10 citations72
US6088563AJul 11, 2000
Developing device and developing method with a specified impedance
MINOLTA CO LTD5 citations63
US5884131AMar 16, 1999
Developing device which accomplishes development using the action of an alternating current field between a developer-carrying member and an image-carrying member
MINOLTA CO LTD3 citations61
HITACHI LTD
5 patentsUS4675096AJun 23, 1987
Continuous sputtering apparatus
HITACHI LTD58 citations95
US4721553AJan 26, 1988
Method and apparatus for microwave assisting sputtering
HITACHI LTD100 citations94
US5266364ANov 30, 1993
Method and apparatus for controlling plasma processing
HITACHI LTD25 citations93
US4747926AMay 31, 1988
Conical-frustum sputtering target and magnetron sputtering apparatus
HITACHI LTD51 citations89
US5074985ADec 24, 1991
Film forming apparatus
HITACHI LTD19 citations74
MINOLTA CAMERA KK
4 patentsUS5446526AAug 29, 1995
Developing device having a developer transport roller with a magnetic field distribution that eliminates streaking and fogging
MINOLTA CAMERA KK14 citations74
US5385801AJan 31, 1995
Method of developing electrostatic latent image
MINOLTA CAMERA KK7 citations74
US5311262AMay 10, 1994
Developing device for use in an image forming apparatus
MINOLTA CAMERA KK8 citations73
US5206690AApr 27, 1993
Developing roller with an identical polarity magnetic part
MINOLTA CAMERA KK3 citations62
SHIMIZU TAMOTSU
2 patentsFUJIHARA KENSUKE
2 patentsKYOCERA MITA CORP
1 patentNAKAUE TAKAHISA
1 patentShowing the top 50 of 106 patents by PatentIndex Score.