P

Inventor

FUKUSHIMA HISASHI

JP64 patents
⚠️ This page may combine multiple inventors who share the name “FUKUSHIMA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

47 patents
US5444468AAug 22, 1995

Image forming apparatus with means for correcting image density unevenness

CANON KK134 citations98
US6097408AAug 1, 2000

Ink jet recording apparatus

CANON KK70 citations96
US6000776ADec 14, 1999

Apparatus and method for regulating image density

CANON KK56 citations96
US5736996AApr 7, 1998

Image reading apparatus with a function for correcting nonuniformity in recording density

CANON KK49 citations96
US5596353AJan 21, 1997

Image reading apparatus with a function for correcting nonuniformity in recording density

CANON KK68 citations96
US5583644ADec 10, 1996

System for correcting image density of an image forming system based on a detection result of a test image

CANON KK62 citations96
US5353052AOct 4, 1994

Apparatus for producing unevenness correction data

CANON KK102 citations96
US5276459AJan 4, 1994

Recording apparatus for performing uniform density image recording utilizing plural types of recording heads

CANON KK87 citations96
US4739415AApr 19, 1988

Image handling system capable of varying the size of a recorded image

CANON KK80 citations96
US6179402B1Jan 30, 2001

Image recording apparatus having a variation correction function

CANON KK33 citations93
US6045210AApr 4, 2000

Image recording apparatus having a variation correction fluid

CANON KK18 citations93
US5896148AApr 20, 1999

Ink jet recording apparatus with control electrode on recording heads preventing adhesion of satellite droplets

CANON KK28 citations93
US5697012ADec 9, 1997

Method and apparatus for color image formation with gradation control capability

CANON KK26 citations93
US5646659AJul 8, 1997

Ink jet recording apparatus, and method with control of ink drops and ink mist

CANON KK38 citations93
US5451989ASep 19, 1995

Ink jet recording apparatus with a heat pipe for temperature stabilization

CANON KK38 citations93
US5414531AMay 9, 1995

Image forming control based on a stored operation condition

CANON KK20 citations93
US5402160AMar 28, 1995

Ink jet recording apparatus with plural heat pipes for temperature stabilization

CANON KK40 citations93
US5298926AMar 29, 1994

Ink jet recording apparatus and method for capturing satellite ink droplets and ink mist

CANON KK42 citations93
US5296903AMar 22, 1994

Image forming apparatus having control based on detected toner charge and transfer efficiency

CANON KK29 citations93
US5225849AJul 6, 1993

Image recording apparatus and method for performing recording by making ink adhere to a recording medium and incorporating image data correction

CANON KK27 citations93
US5162860ANov 10, 1992

Color image forming apparatus controlling glossiness of an image

CANON KK31 citations93
US5157411AOct 20, 1992

Recording head and a recording device utilizing the recording head

CANON KK25 citations93
US5142356AAug 25, 1992

Color image reading apparatus or color image forming apparatus capable of performing color adjustment

CANON KK38 citations93
US5428379AJun 27, 1995

Image forming apparatus

CANON KK20 citations92
US5294959AMar 15, 1994

Image forming apparatus with image density detection means for controlling image forming conditions

CANON KK48 citations92
US4864419ASep 5, 1989

Image processing apparatus

CANON KK36 citations92
US5465111ANov 7, 1995

Method and apparatus for correcting image formation using fuzzy logic

CANON KK50 citations91
US5262833ANov 16, 1993

Image forming apparatus and method

CANON KK19 citations82
US6412898B1Jul 2, 2002

Ink volume reduction system for an ink jet recording apparatus

CANON KK7 citations74
US6234600B1May 22, 2001

Image recording apparatus which can prevent bleeding at a border of a region to be recorded

CANON KK5 citations74
US6126264AOct 3, 2000

Apparatus and method for recording color images with increased image uniformity

CANON KK12 citations74
US5835681ANov 10, 1998

Fuzzy inference image forming apparatus

CANON KK5 citations74
US5786831AJul 28, 1998

Ink jet recording apparatus for recording adjacent areas with plural colors

CANON KK9 citations74
US5752140AMay 12, 1998

Developing device using development bias having oscillating part and a quiescent part

CANON KK8 citations74
US5731825AMar 24, 1998

Image recording apparatus and method

CANON KK10 citations74
US5619746AApr 8, 1997

Image forming apparatus having recording material bearing member

CANON KK10 citations74
US5515140AMay 7, 1996

Image forming apparatus for changing pre-processing condition of image carrier based on paper feed position

CANON KK15 citations74
US5416596AMay 16, 1995

An apparatus for transmitting, receiving and recording an image

CANON KK8 citations74
US5410390AApr 25, 1995

Image forming apparatus having transfer material carrying member with specific resistance ratio

CANON KK8 citations74
US5327209AJul 5, 1994

Color image forming apparatus

CANON KK10 citations74
US5319433AJun 7, 1994

Electrophotographing apparatus for forming color image

CANON KK15 citations74
US5300969AApr 5, 1994

Ink jet recording method and apparatus for maintaining efficient ink viscosity

CANON KK14 citations74
US5252992AOct 12, 1993

Ink jet recording apparatus

CANON KK12 citations74
US5225872AJul 6, 1993

Image forming apparatus having device for determining moisture absorption

CANON KK10 citations74
US6130686AOct 10, 2000

Color image forming apparatus using inks of plural densities

CANON KK5 citations63
US5943088AAug 24, 1999

Image forming apparatus capable of controlling duration of light emission for each picture element

CANON KK6 citations63
US5909229AJun 1, 1999

Recording apparatus in which pressure interference between closely-spaced ink jets is reduced

CANON KK6 citations63

TEIJIN LTD

3 patents

Showing the top 50 of 64 patents by PatentIndex Score.