LexDanaLexDanabeta
Inventor

Hisashi Fukushima

Inventor
Yokohama, JP

Overview

61→
Patents
1988–2009
Patent span
Physics
Primary field (CPC G)

Patents· 61 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television30%
B41JTypewriters29%
G03GElectrography29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact2%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application2%
G01NInvestigating or analysing materials by determining their chemical or physical properties1%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them1%
G06KGraphical data reading1%
PatentTitleYear
7,636,152'Cell counting board'20096,412,898'Ink volume reduction system for an ink jet recording apparatus'20026,234,600'Image recording apparatus which can prevent bleeding at a border of a region to be recorded'20016,179,402'Image recording apparatus having a variation correction function'20016,130,686'Color image forming apparatus using inks of plural densities'20006,126,264'Apparatus and method for recording color images with increased image uniformity'20006,097,408'Ink jet recording apparatus'20006,045,210'Image recording apparatus having a variation correction fluid'20006,000,776'Apparatus and method for regulating image density'19995,943,088'Image forming apparatus capable of controlling duration of light emission for each picture element'19995,909,229'Recording apparatus in which pressure interference between closely-spaced ink jets is reduced'19995,896,148'Ink jet recording apparatus with control electrode on recording heads preventing adhesion of satellite droplets'19995,835,681'Fuzzy inference image forming apparatus'19985,808,632'Recording apparatus and method using ink jet recording head'19985,786,831'Ink jet recording apparatus for recording adjacent areas with plural colors'19985,752,140'Developing device using development bias having oscillating part and a quiescent part'19985,736,996'Image reading apparatus with a function for correcting nonuniformity in recording density'19985,731,825'Image recording apparatus and method'19985,697,012'Method and apparatus for color image formation with gradation control capability'19975,652,650'Color image apparatus including a plurality of developing devices having a particular sequence of operation'19975,646,659'Ink jet recording apparatus, and method with control of ink drops and ink mist'19975,619,746'Image forming apparatus having recording material bearing member'19975,615,311'Image processing apparatus'19975,596,353'Image reading apparatus with a function for correcting nonuniformity in recording density'19975,589,920'Image forming apparatus in which plural transfer media are carried concurrently'19965,589,926'Color image forming apparatus for forming a color image by transferring color toner to transfer member'19965,587,778'Overlaid image forming apparatus'19965,585,907'Charging system for charging the surface of a photosensitive drum in an image forming apparatus'19965,583,644'System for correcting image density of an image forming system based on a detection result of a test image'19965,579,438'Fuzzy inference image forming apparatus'19965,550,616'Image forming apparatus including means for controlling image forming condition in accordance with ambient condition and patch density detection'19965,539,526'Image recording apparatus which corrects an image signal according to characteristic data of a recording element'19965,517,227'Image forming apparatus for automatically setting image formation conditions'19965,515,140'Image forming apparatus for changing pre-processing condition of image carrier based on paper feed position'19965,465,111'Method and apparatus for correcting image formation using fuzzy logic'19955,451,989'Ink jet recording apparatus with a heat pipe for temperature stabilization'19955,444,468'Image forming apparatus with means for correcting image density unevenness'19955,428,379'Image forming apparatus'19955,416,596'An apparatus for transmitting, receiving and recording an image'19955,414,531'Image forming control based on a stored operation condition'19955,410,390'Image forming apparatus having transfer material carrying member with specific resistance ratio'19955,402,160'Ink jet recording apparatus with plural heat pipes for temperature stabilization'19955,383,055'Image forming apparatus including means for setting image forming condition in accordance with a judgement result'19955,353,052'Apparatus for producing unevenness correction data'19945,327,209'Color image forming apparatus'19945,319,433'Electrophotographing apparatus for forming color image'19945,300,969'Ink jet recording method and apparatus for maintaining efficient ink viscosity'19945,298,926'Ink jet recording apparatus and method for capturing satellite ink droplets and ink mist'19945,296,903'Image forming apparatus having control based on detected toner charge and transfer efficiency'19945,294,959'Image forming apparatus with image density detection means for controlling image forming conditions'19945,276,459'Recording apparatus for performing uniform density image recording utilizing plural types of recording heads'19945,262,833'Image forming apparatus and method'19935,252,992'Ink jet recording apparatus'19935,225,849'Image recording apparatus and method for performing recording by making ink adhere to a recording medium and incorporating image data correction'19935,225,872'Image forming apparatus having device for determining moisture absorption'19935,162,860'Color image forming apparatus controlling glossiness of an image'19925,157,411'Recording head and a recording device utilizing the recording head'19925,142,356'Color image reading apparatus or color image forming apparatus capable of performing color adjustment'19925,078,487'Projecting apparatus'19924,864,419'Image processing apparatus'19894,739,415'Image handling system capable of varying the size of a recorded image'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2002Patents assigned to CANON KK (60)· patent assignee history
1988–2001Based in Yokohama, JP· patent location history
1993–2002Based in Kawasaki, JP· patent location history
1995–1996Based in Tokyo, JP· patent location history
2009Patents assigned to ONECELL INC (1)· patent assignee history
2009Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK601988–2002
ONECELL INC12009
Locations
LocationPatentsSpan
Yokohama, JP311988–2001
Kawasaki, JP271993–2002
Tokyo, JP21995–1996
Hiroshima, JP12009