Inventor · disambiguated record
Kazumasa Koike
Also filed as: KOIKE KAZUMASA
20 granted patents·2 pending applications·422 citations·filing 1989–2008
96Inventor score
Top patents by PatentIndex Score
22 records- 0180US5408338AImage processing unit processing pixel data according to scan line densityRICOH KK·Filed 1993·Granted Apr 18, 1995·50 cites·8 claims
- 0275US5550647AImage processing apparatus for converting a multilevel image signal into a bi-level image signalRICOH KK·Filed 1992·Granted Aug 27, 1996·33 cites·8 claims
- 0375US5197894AElectrical connector equipped with a release mechanismJAPAN AVIATION ELECTRON·Filed 1992·Granted Mar 30, 1993·54 cites·12 claims
- 0472US4951300APrecision position detection deviceTAMAGAWA SEIKI CO LTD·Filed 1989·Granted Aug 21, 1990·22 cites·1 claims
- 0568US7734198B2Image forming apparatus and wireless communication deviceRICOH KK·Filed 2007·Granted Jun 8, 2010·3 cites·19 claims
- 0668US5243445APicture processing apparatusRICOH KK·Filed 1991·Granted Sep 7, 1993·27 cites·8 claims
- 0768US5231519AImage processor which converts image with poor resolution into image with improved resolutionRICOH KK·Filed 1991·Granted Jul 27, 1993·36 cites·5 claims
- 0865US5781081ALC-type dielectric filter having an inductor on the outermost layer and frequency adjusting method thereforNGK SPARK PLUG CO·Filed 1996·Granted Jul 14, 1998·19 cites·7 claims
- 0965US5572603AImage processing method and device using such methodRICOH KK·Filed 1995·Granted Nov 5, 1996·39 cites·18 claims
- 1064US5452107AImage processing apparatus providing a bilevel image signal by changing binarization threshold value based on densities of original image areas incuding target pixel and less than all surrounding pixelsRICOH KK·Filed 1994·Granted Sep 19, 1995·23 cites·7 claims
- 1161US5386301AApparatus for producing a bilevel image suitable for a printing characteristic of a printing unitRICOH KK·Filed 1993·Granted Jan 31, 1995·20 cites·26 claims
- 1258US5815605AImage processing system and methodRICOH KK·Filed 1995·Granted Sep 29, 1998·29 cites·16 claims
- 1354US5706096AOptimum line density determining method and systemRICOH KK·Filed 1997·Granted Jan 6, 1998·18 cites·15 claims
- 1453US5724158AImage processing apparatus for selectively using MTF correction process for different regions of a composite imageRICOH KK·Filed 1995·Granted Mar 3, 1998·15 cites·8 claims
- 1552US7295714B2Image processing circuit and image processing method that prevent problems occurring in image reductionRICOH KK·Filed 2003·Granted Nov 13, 2007·4 cites·15 claims
- 1651US5108295AElectrical plug connector with contact strips embedded in insulator plate for use on circuit boardKOIKE KAZUMASA·Filed 1991·Granted Apr 28, 1992·20 cites·6 claims
- 1744US7110133B2Communication apparatus and image communication methodRICOH KK·Filed 2002·Granted Sep 19, 2006·0 cites·25 claims
- 1841US8268124B2Method for production of pulpAKO AKIRA·Filed 2008·Granted Sep 18, 2012·0 cites·13 claims
- 1938US2010108274A1Disposal process for sulfide-free black liquorsAKO AKIRA·Filed 2008·Application pending·0 cites
- 2038US2005032258A1Wiring substrate, process for manufacturing the wiring substrate, and carrier sheet for green sheet used in the manufacturing processNGK SPARK PLUG CO·Filed 2004·Application pending·0 cites
- 2135US5900308AMicrostrip line dielectric filterNGK SPARK PLUG CO·Filed 1996·Granted May 4, 1999·6 cites·4 claims
- 2234US4978954ANon-contact type potentiometer employing a triangular wave encoderTAMAGAWA SEIKI CO LTD·Filed 1989·Granted Dec 18, 1990·4 cites·1 claims
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