Inventor · disambiguated record
Koichi Ejiri
Also filed as: EJIRI KOICHI
31 granted patents·1,684 citations·filing 1979–2009
98Inventor score
Files withRICOH KK22RICOH CORP6EJIRI KOICHI1RICOH CORP & RICOH COMPANY LTD1RICOH CORP AND RICOH COMPANY L1
Top patents by PatentIndex Score
31 records- 0197US5335290ASegmentation of text, picture and lines of a document imageRICOH CORP·Filed 1992·Granted Aug 2, 1994·213 cites·10 claims
- 0296US6466701B1System and method for displaying an image indicating a positional relation between partially overlapping imagesRICOH KK·Filed 1998·Granted Oct 15, 2002·262 cites·18 claims
- 0395US6361171B1Projector with adjustably positioned image plateRICOH KK·Filed 2000·Granted Mar 26, 2002·64 cites·11 claims
- 0493US5465304ASegmentation of text, picture and lines of a document imageRICOH CORP·Filed 1994·Granted Nov 7, 1995·107 cites·24 claims
- 0590US6609797B2Projector with adjustably positioned image plateRICOH KK·Filed 2002·Granted Aug 26, 2003·30 cites·58 claims
- 0689US4381547APicture deforming processRICOH KK·Filed 1980·Granted Apr 26, 1983·53 cites·2 claims
- 0789US4360883AMethod of restoring a picture cell by estimation with high densityRICOH KK·Filed 1980·Granted Nov 23, 1982·28 cites·2 claims
- 0888US5452374ASkew detection and correction of a document image representationRICOH CORP·Filed 1992·Granted Sep 19, 1995·128 cites·6 claims
- 0987US7271803B2Method and system for simulating stereographic visionRICOH KK·Filed 2003·Granted Sep 18, 2007·34 cites·27 claims
- 1086US6634559B2Data sheet and information management system using data sheetRICOH KK·Filed 2001·Granted Oct 21, 2003·43 cites·40 claims
- 1185US6798924B2System and method for displaying an image indicating a positional relation between partially overlapping imagesRICOH KK·Filed 2002·Granted Sep 28, 2004·21 cites·56 claims
- 1285US6104840AMethod and system for generating a composite image from partially overlapping adjacent images taken along a plurality of axesRICOH KK·Filed 1997·Granted Aug 15, 2000·94 cites·23 claims
- 1384US7182464B2Projector with adjustably positioned image plateRICOH KK·Filed 2004·Granted Feb 27, 2007·16 cites·16 claims
- 1484US6574375B1Method for detecting inverted text images on a digital scanning deviceRICOH KK·Filed 1996·Granted Jun 3, 2003·155 cites·18 claims
- 1582US6830341B2Projector with adjustably positioned image plateRICOH KK·Filed 2003·Granted Dec 14, 2004·15 cites·39 claims
- 1682US4965676AFacsimile remote diagnostic systemRICOH CORP AND RICOH COMPANY L·Filed 1989·Granted Oct 23, 1990·46 cites·6 claims
- 1779US5182708AMethod and apparatus for classifying textRICOH CORP·Filed 1991·Granted Jan 26, 1993·79 cites·11 claims
- 1878US4356555AMethod of restoring a picture cell by estimation with high densityRICOH KK·Filed 1980·Granted Oct 26, 1982·29 cites·3 claims
- 1976US6948654B2Data sheet and information management system using data sheetRICOH KK·Filed 2003·Granted Sep 27, 2005·21 cites·29 claims
- 2075US5563403AMethod and apparatus for detection of a skew angle of a document image using a regression coefficientRICOH KK·Filed 1994·Granted Oct 8, 1996·72 cites·28 claims
- 2173US7529430B2System and method for displaying an image indicating a positional relation between partially overlapping imagesRICOH KK·Filed 2007·Granted May 5, 2009·2 cites·20 claims
- 2270US7298919B2System and method for displaying an image indicating a positional relation between partially overlapping imagesRICOH KK·Filed 2004·Granted Nov 20, 2007·6 cites·19 claims
- 2370US4366506APicture transfer method and apparatus thereforRICOH KK·Filed 1981·Granted Dec 28, 1982·20 cites·2 claims
- 2468US8681228B2System and method for displaying an image indicating a positional relation between partially overlapping imagesEJIRI KOICHI·Filed 2009·Granted Mar 25, 2014·2 cites·16 claims
- 2566US4271436ADigital copying machineRICOH KK·Filed 1979·Granted Jun 2, 1981·16 cites·6 claims
- 2665US5854854ASkew detection and correction of a document image representationRICOH CORP·Filed 1997·Granted Dec 29, 1998·55 cites·11 claims
- 2758US4524454AMethod of assigning direction code to boundary picture element in character recognition systemRICOH KK·Filed 1982·Granted Jun 18, 1985·27 cites·5 claims
- 2850US6366360B2Method and a system for correcting distortion aberrations in high resolution imagesRICOH KK·Filed 1997·Granted Apr 2, 2002·14 cites·26 claims
- 2940US5592574AMethod and apparatus for expansion of white space in document images on a digital scanning deviceRICOH KK·Filed 1995·Granted Jan 7, 1997·23 cites·17 claims
- 3034US5034825AHigh quality image scannerRICOH CORP & RICOH COMPANY LTD·Filed 1989·Granted Jul 23, 1991·6 cites·9 claims
- 3133USRE34842EFacsimile remote diagnostic systemRICOH CORP·Filed 1992·Granted Jan 31, 1995·3 cites·7 claims
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