Inventor · disambiguated record
Akifumi Shirasaka
Also filed as: SHIRASAKA AKIFUMI
11 granted patents·157 citations·filing 1987–2001
91Inventor score
Files withCANON KK11
Top patents by PatentIndex Score
11 records- 0176US6879982B2Data management system, server, and data management methodCANON KK·Filed 2001·Granted Apr 12, 2005·24 cites·20 claims
- 0262US5579416ACharacter processing apparatus for selectively modifying a font patternCANON KK·Filed 1994·Granted Nov 26, 1996·40 cites·54 claims
- 0352US4955064AGraphic edge extracting apparatusCANON KK·Filed 1987·Granted Sep 4, 1990·20 cites·9 claims
- 0448US4837847AImage processing apparatusCANON KK·Filed 1988·Granted Jun 6, 1989·15 cites·5 claims
- 0546US5452372AImage processing apparatusCANON KK·Filed 1994·Granted Sep 19, 1995·13 cites·8 claims
- 0645US5574842ADocument processing apparatus and method for generating a character or symbol pattern across a plurality of linesCANON KK·Filed 1995·Granted Nov 12, 1996·12 cites·28 claims
- 0744US5122953AWord processor for automatically defining the position, size, and form of a symbol and formulaCANON KK·Filed 1989·Granted Jun 16, 1992·15 cites·13 claims
- 0835US5838298AImage processing apparatus and method for smoothing stairway-like portions of a contour line of an imageCANON KK·Filed 1994·Granted Nov 17, 1998·7 cites·19 claims
- 0934US6057825AImage processing apparatus with paint-in of outline interiorsCANON KK·Filed 1995·Granted May 2, 2000·6 cites·28 claims
- 1031US5995674AImage processing apparatus with shape-correction of a contour-specified figureCANON KK·Filed 1994·Granted Nov 30, 1999·3 cites·12 claims
- 1129US5404429AFigure processing apparatusCANON KK·Filed 1993·Granted Apr 4, 1995·2 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →