Inventor

Jiro Egawa

Inventor

Yokosuka, JP

Overview

1987–1995

Patent span

Physics

Primary field (CPC G)

Patents· 26 as inventor

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

G03Gprimary

G03GElectrography42%

G06KGraphical data reading16%

H04NPictorial communication, e.g. television16%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B41JTypewriters2%

G02BOptical elements, systems or apparatus2%

PatentTitleYear

5,461,462'Image forming apparatus having a function that automatically adjusts a control standard value for controlling image quality'1995 5,424,763'Color misregistration-free color image forming apparatus'1995 5,414,331'Drive circuit for brushless motor'1995 5,351,107'Image forming apparatus and method having image density correcting function'1994 5,331,341'Image forming apparatus'1994 5,321,468'Image forming apparatus having inference means and method of manufacturing the same'1994 5,315,352'Image forming apparatus for forming an image on an image bearing member'1994 5,270,784'Image forming apparatus having means for measuring the amount of developing agent on the image carrier'1993 5,266,997'Electrophotographic image forming apparatus including means for correcting density drift'1993 5,264,870'Image forming apparatus'1993 5,225,850'Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit'1993 5,196,886'Electrophotographic image forming apparatus including means for correcting density drift'1993 5,159,184'Apparatus for controlling the intensity of a laser beam emitted from a semiconductor laser unit'1992 5,148,218'Image forming apparatus with a humidity detector'1992 5,136,160'Optical unit for use in image-forming apparatus'1992 5,134,623'Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit'1992 5,130,524'Apparatus for controlling intensity of laser beam emitted from semiconductor laser unit'1992 4,930,087'Image forming apparatus'1990 4,903,051'Image forming apparatus for controlling developer to be replenished in accordance with density of developer'1990 4,890,125'Image forming apparatus for controlling image forming operation in accordance with state of charger'1989 4,885,596'Recording apparatus'1989 4,876,560'Recording apparatus'1989 4,819,019'Recording apparatus'1989 4,763,241'Image forming apparatus'1988 4,735,408'Recording apparatus'1988 4,669,717'Recording apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to TOSHIBA KK (26)· patent assignee history

1987–1988Based in Yokohama, JP· patent location history

1989–1995Based in Yokosuka, JP· patent location history

1989–1994Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	26	1987–1995

Locations

Location	Patents	Span
Yokosuka, JP	17	1989–1995
Kanagawa, JP	6	1989–1994
Yokohama, JP	3	1987–1988