Inventor

Akiyoshi Fujita

Inventor

Numazu, JP

Overview

1999–2018

Patent span

Physics

Primary field (CPC G)

Patents· 27 as inventor

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

G03Gprimary

G03GElectrography81%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

H04LTransmission of digital information, e.g. telegraphic communication3%

LOC163%

PatentTitleYear

10,069,621Offset value correction device and offset value correction method for correcting offset value in received signal2018 7,366,452'Developer supply container and electrophotographic image forming apparatus'2008 7,315,710'Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus'2008 7,184,690'Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus'2007 7,174,122'Developer supply container and electrophotographic image forming apparatus'2007 7,139,502'Process cartridge and electrophotographic image forming apparatus'2006 7,003,233'Image forming apparatus with a toner replenishing control feature based on stored toner density and fluidity information, related method, and developing agent replenishing container for same'2006 6,980,755'Recycling method for developer supplying unit including the step of driving a feeding member in a direction to feed developer from a developer supply port to a developer accommodating portion'2005 6,970,668'Method of reproducing process cartridge'2005 6,968,146'Developer supply container and electrophotographic image forming apparatus'2005 6,968,141'Remanufacturing method for toner supply container'2005 6,968,147'Process cartridge whose sealing tape is removed when mounted to image forming apparatus and image forming apparatus to which the cartridge is mounted'2005 6,954,601'Process cartridge and electrophotographic image forming apparatus'2005 6,954,600'Electric contact member applying voltage to charger, process cartridge, and image forming apparatus'2005 6,873,815'Part of an image forming apparatus and a unit having a groove covered with a brush member'2005 6,865,357'Drive transmission mechanism for transmitting drive to processing means and cartridge provided with same'2005 6,754,461'Developer charging device'2004 6,701,113'Developer carrying member, developer replenishment container and image forming apparatus'2004 D0478616'Toner cartridge'2003 6,556,800'Developer supply container and image forming apparatus capable of mounting the container thereon'2003 6,549,735'Developing apparatus with longitudinal end leakage preventing member in contact with smooth surface part of a developer carrying member'2003 6,418,292'Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing container'2002 6,324,370'Electrophotographic image forming apparatus detachably mounting a developer replenishing container or in which a plurality of cartridges and developer replenishing containers are attachably and detachably positioned'2001 6,298,203'Developing apparatus featuring suppressed deviation of a positional relationship between a developer bearing member and a developer regulator member and method for assembling the apparatus'2001 6,195,515'Developing apparatus including a seal member sandwiched between a developer bearing member and a leakage preventing member'2001 6,144,820'Developing apparatus with a sealing member having an insulating layer and a conductive portion'2000 5,963,759'Process cartridge and image forming apparatus to which process cartridge can detachably be mounted'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2008Patents assigned to CANON KK (26)· patent assignee history

1999–2008Based in Numazu, JP· patent location history

2003–2008Based in Shizuoka, JP· patent location history

2007Based in Numzau, JP· patent location history

2018Patents assigned to JVC KENWOOD CORP (1)· patent assignee history

2018Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	26	1999–2008
JVC KENWOOD CORP	1	2018

Locations

Location	Patents	Span
Numazu, JP	13	1999–2008
Shizuoka, JP	12	2003–2008
Yokohama, JP	1	2018
Numzau, JP	1	2007