Inventor

Shizuo Hasegawa

Inventor
Tokyo, JP

Overview

26→
Patents
1987–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 26 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television69%
G03GElectrography11%
G06KGraphical data reading8%
B41JTypewriters6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
PatentTitleYear
6,456,386'Image forming system including sorter unit'20026,128,106'Sheet conveying apparatus'20005,917,620'Image reading apparatus'19995,913,015'Image forming system including sorter unit'19995,850,478'Image forming apparatus'19985,848,320'Copying apparatus capable of handling original having protruding portion'19985,841,554'Image pickup apparatus'19985,784,101'Image reading apparatus having charge transfer means between the plurality of lines of photoelectric conversion means'19985,748,335'Image reading apparatus with A/D conversion and adjustment thereof'19985,691,827'Image processing apparatus for converting a color image into a pattern image with a line having a width which is equal to or less than a predetermined width not being converted'19975,612,792'Image processing method and apparatus for outputting a pattern image in accordance with the color and density level of each color of the output polychromatic image'19975,596,427'Image reading apparatus with A/D conversion and adjustment thereof'19975,485,288'Image processing apparatus for converting a color image into a pattern image with a synthesized gradation image increasing in density closer to contour portions of the pattern image'19965,475,508'Solid state color imager with on-chip color balance'19955,438,364'Solid state color imager with on-chip color balance'19955,408,343'Image processor in which colors in an original color image are identified as predetermined patterns on a monochromatic copy of the original'19955,361,145'Color image reading apparatus having correction means to correct for relative variations among image signals'19945,166,784'Original reading apparatus, having a filter, for reading a color original'19925,121,230'Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements'19924,985,760'Color imager having varying filter aperture sizes to compensate for luminance differences between colors'19914,974,072'Image reading apparatus having a plurality of line sensors and means for correcting crosstalk therebetween'19904,891,690'Color image reading apparatus with plural linear sensors which can read different lines of the image'19904,862,286'Image reading apparatus which adjusts image signals to improve signal balance'19894,811,047'Image forming apparatus with means for recognizing an original condition'19894,750,048'Image reading device'19884,691,114'Original reader with variable magnification and time delay'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2002Patents assigned to CANON KK (26)· patent assignee history
1987–1998Based in Tokyo, JP· patent location history
1989Based in Yokohama, JP· patent location history
1998–2002Based in Urayasu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK261987–2002
Locations
LocationPatentsSpan
Tokyo, JP191987–1998
Urayasu, JP61998–2002
Yokohama, JP11989