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Inventor

Akifumi Shirasaka

Inventor
Yokohama, JP

Overview

11→
Patents
1989–2005
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G06Tprimary
G06TImage data processing or generation, in general47%
G06FElectric digital data processing20%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
G06KGraphical data reading7%
H04LTransmission of digital information, e.g. telegraphic communication7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
6,879,982'Data management system, server, and data management method'20056,057,825'Image processing apparatus with paint-in of outline interiors'20005,995,674'Image processing apparatus with shape-correction of a contour-specified figure'19995,838,298'Image processing apparatus and method for smoothing stairway-like portions of a contour line of an image'19985,579,416'Character processing apparatus for selectively modifying a font pattern'19965,574,842'Document processing apparatus and method for generating a character or symbol pattern across a plurality of lines'19965,452,372'Image processing apparatus'19955,404,429'Figure processing apparatus'19955,122,953'Word processor for automatically defining the position, size, and form of a symbol and formula'19924,955,064'Graphic edge extracting apparatus'19904,837,847'Image processing apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2005Patents assigned to CANON KK (11)· patent assignee history
1989–1999Based in Yokohama, JP· patent location history
2000Based in Kawasaki, JP· patent location history
2005Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK111989–2005
Locations
LocationPatentsSpan
Yokohama, JP91989–1999
Kanagawa, JP12005
Kawasaki, JP12000