Inventor

Hiroyuki Kadowaki

Inventor

Yokohama, JP

Overview

1996–2020

Patent span

Physics

Primary field (CPC G)

Patents· 16 as inventor

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

G03Gprimary

G03GElectrography72%

H04NPictorial communication, e.g. television11%

B43KImplements for writing or drawing6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

PatentTitleYear

10,684,580Image forming apparatus having an image reader for measuring the width of a nip of the image forming apparatus2020 10,289,036Image forming apparatus2019 10,203,637Fixing apparatus having a restrictive guide member2019 9,989,901Image fixing device having a controller that maintains a temperature of the heater2018 9,760,049'Fixing apparatus'2017 9,624,391'Water-based ink composition and water-based ballpoint pen'2017 9,477,188'Fixing device'2016 9,436,139'Image heating apparatus'2016 9,411,274'Image forming apparatus switching between first and second air feeding operations with different opening amounts of an opening through which air fed from a fan passes according to the detected temperature'2016 9,372,456'Fixing apparatus'2016 9,116,480'Image forming apparatus, having air feeding portion including a fan, a duct with an opening, and opening-amount adjusting member, configured to execute first and second air feeding operations'2015 9,037,035'Image forming apparatus including toner charging member for charging and moving residual toner'2015 8,712,273'Fixing apparatus'2014 8,554,100'Image forming apparatus using an electrophotographic system'2013 5,687,001'Halftone image ion printer'1997 5,541,542'Halftone image device and its driving circuit'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to DAINIPPON PRINTING CO LTD (2)· patent assignee history

1996–2017Based in Tokyo, JP· patent location history

2013–2020Patents assigned to CANON KK (13)· patent assignee history

2013–2015Patents assigned to KADOWAKI HIROYUKI (3)· patent assignee history

2013–2015Patents assigned to ICHINOSE KIMITAKA (2)· patent assignee history

2013–2015Patents assigned to KUME TAKAO (2)· patent assignee history

2013–2015Based in Mishima, JP· patent location history

2014–2019Based in Yokohama, JP· patent location history

2019–2020Based in Boise, ID, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	13	2013–2020
KADOWAKI HIROYUKIself	3	2013–2015
DAINIPPON PRINTING CO LTD	2	1996–1997
ICHINOSE KIMITAKA	2	2013–2015
KUME TAKAO	2	2013–2015

Locations

Location	Patents	Span
Yokohama, JP	9	2014–2019
Tokyo, JP	3	1996–2017
Boise, ID, US	2	2019–2020
Mishima, JP	2	2013–2015