Inventor

Noriyoshi Umeda

Inventor

Suntou-gun, JP

Overview

2006–2021

Patent span

Physics

Primary field (CPC G)

Patents· 20 as inventor

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

G03Gprimary

G03GElectrography100%

PatentTitleYear

11,112,712Toner2021 11,061,342Electrophotographic apparatus, process cartridge and cartridge set2021 11,022,933Process cartridge, image forming apparatus and cleaning apparatus2021 10,976,678Toner2021 10,845,721Toner2020 10,747,133Image-forming apparatus2020 10,678,155Toner comprising a surface layer of an organosilicon polymer protrusion2020 10,635,011Toner2020 9,785,068'Toner'2017 9,541,852'Toner and two-component developer'2017 9,285,697'Toner'2016 9,261,806'Toner'2016 8,114,562'Two-component developer, replenishing developer, and image-forming method'2012 7,906,262'Two-component developer, replenishing developer, and image-forming method'2011 7,767,370'Two-component developer, replenishing developer, and image-forming method'2010 7,629,100'Toner'2009 7,611,813'Toner and image forming method'2009 7,280,785'Image forming apparatus'2007 7,177,581'Image forming apparatus'2007 7,135,263'Toner'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2021Patents assigned to CANON KK (20)· patent assignee history

2006–2021Based in Shizuoka, JP· patent location history

2007–2012Based in Susono, JP· patent location history

2012Patents assigned to BABA YOSHINOBU (1)· patent assignee history

2012Patents assigned to HARAGUCHI MANAMI (1)· patent assignee history

2012Patents assigned to HOTTA YOJIRO (1)· patent assignee history

2016–2021Based in Suntou-gun, JP· patent location history

2021Patents assigned to CANON KABUSHI KIKAISHA (1)· patent assignee history

2021Based in Sunto-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	20	2006–2021
BABA YOSHINOBU	1	2012
CANON KABUSHI KIKAISHA	1	2021
HARAGUCHI MANAMI	1	2012
HOTTA YOJIRO	1	2012

Locations

Location	Patents	Span
Suntou-gun, JP	10	2016–2021
Susono, JP	7	2007–2012
Shizuoka, JP	2	2006–2021
Sunto-gun, JP	1	2021