Inventor · disambiguated record
Ryozo Yanagisawa
Also filed as: YANAGISAWA RYOZO
54 granted patents·2 pending applications·2,132 citations·filing 1987–2005
99Inventor score
Top patents by PatentIndex Score
56 records- 0195US5714698AGesture input method and apparatusCANON KK·Filed 1997·Granted Feb 3, 1998·275 cites·9 claims
- 0293US5063451AHand held recording apparatus with window on lower body portion for viewing recording positionCANON KK·Filed 1989·Granted Nov 5, 1991·73 cites·24 claims
- 0392US6611258B1Information processing apparatus and its methodCANON KK·Filed 1996·Granted Aug 26, 2003·195 cites·16 claims
- 0490US5142106ACoordinates input apparatusCANON KK·Filed 1991·Granted Aug 25, 1992·35 cites·2 claims
- 0589US5748183AInformation processing apparatusCANON KK·Filed 1995·Granted May 5, 1998·30 cites·9 claims
- 0689US5657459AData input pen-based information processing apparatusCANON KK·Filed 1993·Granted Aug 12, 1997·136 cites·35 claims
- 0788US6965377B2Coordinate input apparatus, coordinate input method, coordinate input-output apparatus, coordinate input-output unit, and coordinate plateCANON KK·Filed 2001·Granted Nov 15, 2005·54 cites·24 claims
- 0887US6255604B1Coordinate detecting device for outputting coordinate data when two points are simultaneously depressed, method therefor and computer control deviceCANON KK·Filed 1996·Granted Jul 3, 2001·138 cites·12 claims
- 0986US6237507B1Information apparatus installing deskCANON KK·Filed 1996·Granted May 29, 2001·62 cites·17 claims
- 1086US5650820AHand recording apparatus and movement guide thereforCANON KK·Filed 1996·Granted Jul 22, 1997·54 cites·15 claims
- 1182US5831602AInformation processing apparatus, method and computer program productCANON KK·Filed 1996·Granted Nov 3, 1998·99 cites·12 claims
- 1280US7054701B2Information processing apparatus and methodCANON KK·Filed 2005·Granted May 30, 2006·9 cites·10 claims
- 1379US7127324B2Information processing apparatus and information processing methodCANON KK·Filed 2002·Granted Oct 24, 2006·24 cites·6 claims
- 1479US7119805B2Three-dimensional CAD attribute information presentationCANON KK·Filed 2002·Granted Oct 10, 2006·25 cites·3 claims
- 1579US5093675AHand-held recording apparatusCANON KK·Filed 1990·Granted Mar 3, 1992·38 cites·18 claims
- 1676US6239792B1Coordinate input system having multiple editing modesCANON KK·Filed 1996·Granted May 29, 2001·76 cites·14 claims
- 1771US5500492ACoordinate input apparatusCANON KK·Filed 1994·Granted Mar 19, 1996·53 cites·7 claims
- 1871US4980518ACoordinate input apparatusCANON KK·Filed 1990·Granted Dec 25, 1990·60 cites·13 claims
- 1968US6917842B2Information processing apparatus and methodCANON KK·Filed 2002·Granted Jul 12, 2005·12 cites·11 claims
- 2065US5097102ACoordinate input apparatusCANON KK·Filed 1990·Granted Mar 17, 1992·43 cites·9 claims
- 2164US5805147ACoordinate input apparatus with correction of detected signal level shiftCANON KK·Filed 1996·Granted Sep 8, 1998·44 cites·22 claims
- 2263US6288711B1Coordinate input apparatus, method of controlling same and computer-readable memoryCANON KK·Filed 1999·Granted Sep 11, 2001·39 cites·11 claims
- 2360US6225986B1Coordinate input apparatus and its control methodCANON KK·Filed 1997·Granted May 1, 2001·36 cites·42 claims
- 2460US5818429ACoordinates input apparatus and its methodCANON KK·Filed 1996·Granted Oct 6, 1998·37 cites·8 claims
- 2560US5565893ACoordinate input apparatus and method using voltage measuring deviceCANON KK·Filed 1994·Granted Oct 15, 1996·34 cites·20 claims
- 2659US5936207AVibration-transmitting tablet and coordinate-input apparatus using said tabletCANON KK·Filed 1996·Granted Aug 10, 1999·35 cites·21 claims
- 2757US5761087ACoordinate input device and a control method thereforCANON KK·Filed 1996·Granted Jun 2, 1998·21 cites·15 claims
- 2857US5484967ACoordinate input apparatusCANON KK·Filed 1993·Granted Jan 16, 1996·29 cites·7 claims
- 2956US6415240B1Coordinates input apparatus and sensor attaching structure and methodCANON KK·Filed 1998·Granted Jul 2, 2002·29 cites·16 claims
- 3056US5539678ACoordinate input apparatus and methodCANON KK·Filed 1994·Granted Jul 23, 1996·28 cites·6 claims
- 3155US5760346AVibration sensing deviceCANON KK·Filed 1996·Granted Jun 2, 1998·29 cites·36 claims
- 3254US6714751B2Connecting pin for process cartridge, and process cartridgeCANON KK·Filed 2001·Granted Mar 30, 2004·5 cites·27 claims
- 3354US5420804AApparatus for inputting coordinates and method for correcting coordinatesCANON KK·Filed 1992·Granted May 30, 1995·26 cites·16 claims
- 3454US5177472AVibrating input pen used for a coordinate input apparatusCANON KK·Filed 1990·Granted Jan 5, 1993·26 cites·12 claims
- 3553US5831603ACoordinate input apparatusCANON KK·Filed 1997·Granted Nov 3, 1998·27 cites·6 claims
- 3652US6384814B1Input penCANON KK·Filed 1999·Granted May 7, 2002·24 cites·23 claims
- 3751US5862049ACoordinate input apparatus and control method thereforCANON KK·Filed 1996·Granted Jan 19, 1999·23 cites·18 claims
- 3848US6563493B2Molded article of pen tip of input pen for coordinate input apparatus, method of molding pen tip and mold thereforCANON KK·Filed 1998·Granted May 13, 2003·12 cites·13 claims
- 3948US5570299ACoordinate input apparatus, vibration sensing device and method of evaluating sameCANON KK·Filed 1993·Granted Oct 29, 1996·19 cites·13 claims
- 4048US5253187ACoordinate input apparatusCANON KK·Filed 1992·Granted Oct 12, 1993·19 cites·37 claims
- 4147US5541892APiezoelectric sensor and coordinate input apparatus employing the sameCANON KK·Filed 1994·Granted Jul 30, 1996·10 cites·7 claims
- 4244US5570302ADistance measuring device, and coordinate input apparatus utilizing the sameCANON KK·Filed 1994·Granted Oct 29, 1996·14 cites·6 claims
- 4343US5610838ACoordinate input device for calculating a coordinate of an input position of an applied vibrationCANON KK·Filed 1994·Granted Mar 11, 1997·8 cites·4 claims
- 4442US2005093860A1Information processing apparatus and method, program for executing said method, and storage medium storing said programFiled 2004·Application pending·0 cites
- 4540US2003210244A1Information processing apparatus and methodCANON KK·Filed 2003·Application pending·0 cites
- 4639US5990720ATemperature phase shift circuit and coordinate input apparatusCANON KK·Filed 1994·Granted Nov 23, 1999·10 cites·16 claims
- 4739US5744760ACoordinates input apparatusCANON KK·Filed 1996·Granted Apr 28, 1998·10 cites·7 claims
- 4839US5684277ACoordinate input apparatusCANON KK·Filed 1995·Granted Nov 4, 1997·11 cites·12 claims
- 4939US5352856AMethod and apparatus for inputting coordinatesCANON KK·Filed 1991·Granted Oct 4, 1994·10 cites·7 claims
- 5038US5539160ACoordinate input apparatus and methodCANON KK·Filed 1995·Granted Jul 23, 1996·10 cites·13 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ryozo Yanagisawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →