Inventor

Yukihide Ushio

Inventor

Tokyo, JP

Overview

1987–2013

Patent span

Physics

Primary field (CPC G)

Patents· 25 as inventor

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

G06Kprimary

G06KGraphical data reading35%

G03GElectrography24%

B41JTypewriters13%

H04NPictorial communication, e.g. television13%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%

G01DMeasuring not specially adapted for a specific variable2%

G11BInformation storage based on relative movement between record carrier and transducer2%

H02HEmergency protective circuit arrangements2%

H04BTransmission2%

H04QSelecting2%

PatentTitleYear

8,521,071'Developer bearing member, developing apparatus, and image forming apparatus'2013 7,652,682'Image forming apparatus'2010 5,943,082'Image recording apparatus using optical beam for applying a transfer bias of a polarity so as not to repel adhesive toner'1999 5,883,659'Apparatus using a rotating polygon to form an image, the apparatus determining the polygon rotates stably at a predetermined rotation number'1999 5,734,390'Image forming apparatus'1998 5,694,158'Image forming apparatus with image carrier and sheet feed drive control'1997 5,610,646'Image forming apparatus having improved resolution switching capabilities'1997 5,550,573'Image forming apparatus using a photosensitive drum and having light quantity adjustment'1996 5,512,929'Image forming apparatus with fixer temperature control'1996 5,513,012'Image forming apparatus having density correction for image formation'1996 5,504,588'Image forming apparatus with optical reflective density of image adjusted according to image resolution discriminated from signal other than image signal'1996 5,475,414'Image forming apparatus having plural printing resolutions'1995 5,463,410'Image recording apparatus using optical beam'1995 5,412,480'Image forming apparatus with fixer temperature control'1995 5,373,518'Image forming apparatus and constant current circuit switching device for use therewith'1994 5,325,376'Communication system for detecting a communication error in information transmitted between a plurality of units and a main control unit'1994 5,274,402'Image forming apparatus with fixer temperature control'1993 5,258,779'Image forming apparatus with means for controlling feeding of recording medium'1993 5,051,601'Electronic apparatus with light communication'1991 5,043,745'Light intensity control apparatus'1991 4,882,782'Safety apparatus for detecting an abnormality of power control element'1989 4,853,740'Recording apparatus capable of multiple recording on one or both sides of a sheet'1989 4,761,662'Image forming apparatus comprising an image bearing member driven at a predetermined constant speed'1988 4,712,118'Laser beam printer'1987 4,695,714'Light source stabilizer with intensity and temperature control'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2013Patents assigned to CANON KK (25)· patent assignee history

1987–1999Based in Tokyo, JP· patent location history

1987Based in Higashi, JP· patent location history

1998Based in Kawasaki, JP· patent location history

2010–2013Based in Mishima, JP· patent location history

2013Patents assigned to NISHIMURA KATSUHIKO (1)· patent assignee history

2013Patents assigned to OKUDA MASAHIRO (1)· patent assignee history

2013Patents assigned to SUGIMOTO TOSHIHIKO (1)· patent assignee history

2013Patents assigned to USHIO YUKIHIDE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	25	1987–2013
NISHIMURA KATSUHIKO	1	2013
OKUDA MASAHIRO	1	2013
SUGIMOTO TOSHIHIKO	1	2013
USHIO YUKIHIDEself	1	2013

Locations

Location	Patents	Span
Tokyo, JP	21	1987–1999
Mishima, JP	2	2010–2013
Kawasaki, JP	1	1998
Higashi, JP	1	1987