Inventor · disambiguated record
Hiroyuki Shibaki
Also filed as: SHIBAKI HIROYUKI
20 granted patents·7 pending applications·625 citations·filing 1994–2009
96Inventor score
Top patents by PatentIndex Score
27 records- 0197US5482265ASheet feeder for an image forming apparatusRICOH KK·Filed 1994·Granted Jan 9, 1996·91 cites·11 claims
- 0296US5960246AImage forming apparatus with powder pumpRICOH KK·Filed 1997·Granted Sep 28, 1999·87 cites·45 claims
- 0396US5797074AImage forming systemRICOH KK·Filed 1996·Granted Aug 18, 1998·100 cites·32 claims
- 0490US5708949AImage fixing device for image forming apparatusRICOH KK·Filed 1996·Granted Jan 13, 1998·61 cites·21 claims
- 0587US8040565B2Image processing device, image forming apparatus including same, image processing method, and image processing programRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·10 cites·8 claims
- 0684US7221799B2Image processing based on degree of white-background likelinessRICOH KK·Filed 2005·Granted May 22, 2007·7 cites·3 claims
- 0783US7356160B2Method of and apparatus for image processingRICOH KK·Filed 2004·Granted Apr 8, 2008·22 cites·20 claims
- 0883US5464200ASheet storing device with locking binsRICOH KK·Filed 1994·Granted Nov 7, 1995·34 cites·12 claims
- 0982US6987886B1Image processing based on degree of white-background likelinessRICOH KK·Filed 2000·Granted Jan 17, 2006·28 cites·6 claims
- 1081US8040557B2Image processing apparatus and image processing methodRICOH CO LTD·Filed 2007·Granted Oct 18, 2011·6 cites·12 claims
- 1178US7327874B2Method of and apparatus for image processing apparatus, and computer productRICOH KK·Filed 2003·Granted Feb 5, 2008·16 cites·15 claims
- 1277US6556707B1Method and apparatus for image processing for performing a color conversionRICOH KK·Filed 1999·Granted Apr 29, 2003·54 cites·9 claims
- 1375US7423781B2Image processor and image processing method for image enhancement using edge detectionRICOH KK·Filed 2003·Granted Sep 9, 2008·20 cites·17 claims
- 1473US6731817B2Apparatus and method for forming an image by processing input image data while suppressing banding and dropoutRICOH KK·Filed 2001·Granted May 4, 2004·18 cites·17 claims
- 1571US8223401B2Image processing apparatus, image processing system, and image processing methodMIYAGI NORIKO·Filed 2008·Granted Jul 17, 2012·3 cites·12 claims
- 1670US7535595B2Image processing apparatus and method, and computer program productRICOH KK·Filed 2004·Granted May 19, 2009·9 cites·19 claims
- 1769US7355755B2Image processing apparatus and method for accurately detecting character edgesRICOH KK·Filed 2002·Granted Apr 8, 2008·25 cites·2 claims
- 1863US7433082B2Method of, apparatus for, and computer program for image processingRICOH KK·Filed 2003·Granted Oct 7, 2008·5 cites·17 claims
- 1958US7088472B1Method, system, and apparatus for image forming and processing capable of appropriately adjusting input and output propertiesRICOH KK·Filed 1999·Granted Aug 8, 2006·24 cites·104 claims
- 2049US2009195813A1Image forming apparatus management system and image forming apparatus management methodRICOH KK·Filed 2009·Application pending·0 cites
- 2148US7170642B2Image processing apparatus and method for improving output image qualityRICOH KK·Filed 2002·Granted Jan 30, 2007·5 cites·9 claims
- 2248US2005018903A1Method and apparatus for image processing and computer productFiled 2004·Application pending·0 cites
- 2347US2005018258A1Image processing apparatus, image processing method, and computer productFiled 2004·Application pending·0 cites
- 2446US2004165081A1Image processing apparatus, image processing system, and image processing methodFiled 2003·Application pending·0 cites
- 2545US2006279589A1Image processing apparatus and image forming apparatusYASUTOMI KEI·Filed 2006·Application pending·0 cites
- 2641US2004257622A1Image processing apparatus, image processing system, and computer programFiled 2004·Application pending·0 cites
- 2739US2004125411A1Method of, apparatus for image processing, and computer productFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Shibaki 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 →