Inventor

Tsutomu Uezono

Inventor

Tokyo, JP

Overview

1992–2014

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

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

G03Gprimary

G03GElectrography84%

B41JTypewriters11%

C07CAcyclic or carbocyclic compounds5%

PatentTitleYear

8,688,018'Developing device and image forming apparatus including the same'2014 8,090,302'Closing member for a developer containing device and method for producing such device'2012 7,941,073'Toner cartridge'2011 7,801,469'Toner cartridge'2010 6,750,895'Optical printer head with integrated drive circuitry'2004 6,487,385'Liquid electrophotographic imaging system with a maximized solid toner ratio'2002 6,472,115'Image forming apparatus and image forming method'2002 6,445,897'Wet-type developing apparatus and image forming apparatus using the same'2002 6,413,689'Porous photosensitive body and method of manufacturing same'2002 6,324,366'Sleeve rotation-feed apparatus, developing apparatus, image formation apparatus, and fixation apparatus'2001 6,275,673'Photosensitive unit, light source and image forming apparatus'2001 6,252,620'Image recording apparatus and image recording method'2001 6,093,513'Photoreceptor for electrophotography and method of manufacturing the same'2000 6,040,106'Porous photoreceptor and method for manufacturing the same'2000 6,022,997'Process for preparing triphenylamine compounds by using a nitrogen trihalide'2000 5,815,774'Image recording apparatus with photosensitive unit having porous insulating screen'1998 5,217,835'Two-component developer for use in dry development of electrostatic pattern'1993 5,173,388'Developing process excellent in image reproducibility'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to MITA INDUSTRIAL CO LTD (2)· patent assignee history

1992–1993Based in Sagamihara, JP· patent location history

1998–2004Patents assigned to NEC CORP (12)· patent assignee history

1998–2004Based in Tokyo, JP· patent location history

2010–2014Patents assigned to FUJI XEROX CO LTD (4)· patent assignee history

2010–2012Based in Saitama, JP· patent location history

2012–2014Patents assigned to UEZONO TSUTOMU (2)· patent assignee history

2012Patents assigned to HINO TAKASHI (1)· patent assignee history

2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	12	1998–2004
FUJI XEROX CO LTD	4	2010–2014
MITA INDUSTRIAL CO LTD	2	1992–1993
UEZONO TSUTOMUself	2	2012–2014
HINO TAKASHI	1	2012

Locations

Location	Patents	Span
Tokyo, JP	12	1998–2004
Saitama, JP	3	2010–2012
Sagamihara, JP	2	1992–1993
Kanagawa, JP	1	2014