Inventor

Narutaka Yoshida

Inventor
Osaka, JP

Overview

21→
Patents
1990–2014
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

G03Gprimary
G03GElectrography68%
H04NPictorial communication, e.g. television18%
G02BOptical elements, systems or apparatus4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G06KGraphical data reading4%
H01TSpark gaps4%
PatentTitleYear
8,824,938'Image forming apparatus'20148,693,929'Image forming apparatus'20147,693,463'Developing device and image forming apparatus'20107,039,331'Image forming apparatus'20067,027,745'Image forming apparatus with notification of remaining life of image forming unit and prohibition of image improvement operation'20067,020,412'Image forming apparatus that prevents generation of image noise by controlling creep of a flexible movable member'20065,940,661'Image forming apparatus with a charging member which removes smears on an image forming member'19995,845,176'Process unit having mounting guides and protective covers'19985,697,017'Image forming apparatus having process cartridge with shutter and cleaning member'19975,371,575'Electrophotographic image forming apparatus with detachable imaging cartridge'19945,243,390'Device for conveying developer in a developing device'19935,122,817'Electrophotographic recorder using a modulated laser beam to scan the original'19925,068,677'Laser scanner with selected plural beam sources'19915,038,181'Image forming unit having means for preventing a cleansing blade from contacting an image holding member until image forming unit is used'19915,036,358'Image-forming apparatus and a method for a detecting developer amount therein'19915,025,286'Laser beam image forming apparatus with SOS Detection'19915,017,961'Image forming apparatus with use of a laser beam'19915,018,045'Corona discharger for use in electrophotographic copying machine'19914,965,870'Image forming apparatus with use of a laser beam'19904,962,312'Laser beam scanning device with plural sources and source-sensitive synchronization'19904,916,480'Image forming apparatus with use of a laser beam'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1994Patents assigned to MINOLTA CAMERA KK (11)· patent assignee history
1990–1991Based in Osaka, JP· patent location history
1992–2014Patents assigned to YOSHIDA NARUTAKA (3)· patent assignee history
1992–1999Based in 2-Chome, Azuchi-Machi, Chuo-Ku, Osaka-Shi, Osaka 541-8556, JP· patent location history
1993–1994Based in Machida, JP· patent location history
1997–1999Patents assigned to MINOLTA CO LTD (3)· patent assignee history
1997–2014Based in Toyokawa, JP· patent location history
2006–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (6)· patent assignee history
2014Patents assigned to HAGA MASAYASU (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK111990–1994
KONICA MINOLTA BUSINESS TECH62006–2014
MINOLTA CO LTD31997–1999
YOSHIDA NARUTAKAself31992–2014
HAGA MASAYASU22014
Locations
LocationPatentsSpan
Osaka, JP91990–1991
Toyokawa, JP81997–2014
2-Chome, Azuchi-Machi, Chuo-Ku, Osaka-Shi, Osaka 541-8556, JP21992–1999
Machida, JP21993–1994