Inventor · disambiguated record
Kenichi Takekawa
Also filed as: TAKEKAWA KENICHI
12 granted patents·866 citations·filing 1999–2008
94Inventor score
Top patents by PatentIndex Score
12 records- 0194US6828959B2Method and device for inputting coordinate-position and a display board systemRICOH KK·Filed 2001·Granted Dec 7, 2004·93 cites·46 claims
- 0293US6587099B2Coordinate input/detection device detecting installation position of light-receiving device used for detecting coordinatesRICOH KK·Filed 2001·Granted Jul 1, 2003·109 cites·25 claims
- 0393US6335724B1Method and device for inputting coordinate-position and a display board systemRICOH KK·Filed 1999·Granted Jan 1, 2002·206 cites·28 claims
- 0492US6570103B1Method and apparatus for coordinate inputting capable of effectively using a laser rayRICOH KK·Filed 2000·Granted May 27, 2003·95 cites·34 claims
- 0591US6532006B1Coordinates input device, coordinates input method, a display board systemRICOH KK·Filed 2000·Granted Mar 11, 2003·79 cites·13 claims
- 0691US6504532B1Coordinates detection apparatusRICOH KK·Filed 2000·Granted Jan 7, 2003·101 cites·9 claims
- 0790US6352351B1Method and apparatus for inputting coordinatesRICOH KK·Filed 2000·Granted Mar 5, 2002·91 cites·8 claims
- 0885US7113174B1Coordinate inputting/detecting apparatus and method designed to avoid a trailing phenomenonRICOH KK·Filed 2000·Granted Sep 26, 2006·49 cites·17 claims
- 0971US6285359B1Coordinate-position detecting device and a method for detecting the coordinate-positionRICOH KK·Filed 1999·Granted Sep 4, 2001·36 cites·40 claims
- 1059US6823481B2Optical coordinate input/detection device with optical-unit positioning error correcting functionRICOH KK·Filed 2001·Granted Nov 23, 2004·7 cites·19 claims
- 1142US8909126B2Sheet processing apparatus, and image forming systemTAKEKAWA KENICHI·Filed 2008·Granted Dec 9, 2014·0 cites·6 claims
- 1241US8939878B2Sheet folding device and image forming apparatusTAKEKAWA KENICHI·Filed 2008·Granted Jan 27, 2015·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →