Inventor

Tsuguhiro Yoshida

Inventor

Yokohama, JP

Overview

2013–2021

Patent span

Physics

Primary field (CPC G)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography87%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

G01BMeasuring length, thickness or similar linear dimensions3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

10,955,358Inspection method and inspection apparatus2021 10,908,134Detector for gas chromatography2021 10,838,336Fixing device and image forming apparatus that control power supply to heat generation members2020 10,725,402Image forming apparatus2020 10,656,566Image forming apparatus using contact member to recover toner remaining on intermediate transfer member2020 10,649,388Image forming apparatus2020 10,642,195Image forming apparatus using intermediate transfer member having grooves and specified dynamic friction coefficient2020 10,627,749Image forming apparatus having transfer power source that applies voltage to secondary transfer member to perform secondary transfer of toner images from electrically conductive intermediate transfer belt to recording materials, toner images on image carrier primarily transferred to belt by transfer power source and contact member in which an electric potential is formed by constant-voltage element, transfer power source and auxiliary power source2020 10,606,190Image forming apparatus that collects toner remaining on intermediate transfer member using member in abutment with intermediate transfer member2020 10,591,856Roller with filler bundle in elastic layer and fixing device2020 10,564,579Fixing apparatus2020 10,509,341Image forming apparatus2019 10,488,794Image forming apparatus that switches power supply to plurality of heating elements2019 10,423,115Image forming apparatus2019 10,401,779Image forming apparatus2019 10,289,025Image forming apparatus for electrophotographic processing utilizing varying surface speeds2019 10,248,043Image forming apparatus that prevents toner charged with polarity opposite normal charging polarity from being collected2019 10,185,239Image forming apparatus2019 10,180,643Image forming apparatus having intermediate transfer belt, secondary transfer member that contacts outer surface of intermediate transfer belt, opposed member opposed to secondary transfer member via intermediate transfer belt, contact member that contacts inner surface of intermediate transfer belt, and constant-voltage element through which opposed member and contact member are grounded2019 10,168,645Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt2019 10,095,165Fixing apparatus for fixing a toner image to a recording medium2018 9,817,342'Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer belt'2017 9,501,012'Fixing apparatus for fixing a toner image to a recording medium'2016 9,417,568'Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer belt'2016 9,158,238'Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer belt'2015 9,141,042'Image forming apparatus having misregistration control'2015 8,862,039'Image forming apparatus'2014 8,532,531'Image forming apparatus comprising a charging unit including plural conductive fibers'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to CANON KK (26)· patent assignee history

2013–2014Patents assigned to UCHIYAMA AKIHIKO (2)· patent assignee history

2013–2014Patents assigned to YOSHIDA TSUGUHIRO (2)· patent assignee history

2013Based in Suntou-gun, JP· patent location history

2014Patents assigned to AKAMATSU TAKAAKI (1)· patent assignee history

2014Patents assigned to KOJIMA YUYA (1)· patent assignee history

2014–2020Based in Yokohama, JP· patent location history

2021Based in Kyoto, JP· patent location history

2021Based in Musashino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	26	2013–2020
UCHIYAMA AKIHIKO	2	2013–2014
YOSHIDA TSUGUHIROself	2	2013–2014
AKAMATSU TAKAAKI	1	2014
KOJIMA YUYA	1	2014

Locations

Location	Patents	Span
Yokohama, JP	25	2014–2020
Kyoto, JP	1	2021
Musashino, JP	1	2021
Suntou-gun, JP	1	2013