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 patentsUS5444468AAug 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 patentsUS5614520AMar 25, 1997
2-arylthiazole derivatives and pharmaceutical composition thereof
TEIJIN LTD182 citations96
US4385169AMay 24, 1983
Reactive alpha amino acid polymer
TEIJIN LTD15 citations74
US4605645AAug 12, 1986
5-fluoro-2'-deoxyuridine derivatives and a process for the preparation thereof
TEIJIN LTD8 citations73
Showing the top 50 of 64 patents by PatentIndex Score.