Inventor · disambiguated record
Hiromi Okubo
Also filed as: OKUBO HIROMI
18 granted patents·8 pending applications·990 citations·filing 1988–2019
96Inventor score
Top patents by PatentIndex Score
26 records- 0190US5647010AImage forming apparatus with security feature which prevents copying of specific types of documentsRICOH KK·Filed 1994·Granted Jul 8, 1997·126 cites·3 claims
- 0287US5751854AOriginal-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination systemRICOH KK·Filed 1996·Granted May 12, 1998·181 cites·4 claims
- 0387US5659628ASpecial-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating functionRICOH KK·Filed 1996·Granted Aug 19, 1997·93 cites·6 claims
- 0487US5392137AImage processing apparatus in which filtering is selected for input image characteristicsRICOH KK·Filed 1993·Granted Feb 21, 1995·89 cites·7 claims
- 0584US7221799B2Image processing based on degree of white-background likelinessRICOH KK·Filed 2005·Granted May 22, 2007·7 cites·3 claims
- 0682US6987886B1Image processing based on degree of white-background likelinessRICOH KK·Filed 2000·Granted Jan 17, 2006·28 cites·6 claims
- 0779US5652803ASpecial-document discriminating apparatus and managing system for image forming apparatus having a special-document discriminating functionRICOH KK·Filed 1996·Granted Jul 29, 1997·56 cites·5 claims
- 0878US5410619ADigital image processing apparatus for processing a variety of types of input image dataRICOH KK·Filed 1994·Granted Apr 25, 1995·48 cites·12 claims
- 0977US6556707B1Method and apparatus for image processing for performing a color conversionRICOH KK·Filed 1999·Granted Apr 29, 2003·54 cites·9 claims
- 1077US6272248B1Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination systemRICOH KK·Filed 1998·Granted Aug 7, 2001·113 cites·2 claims
- 1173US6731817B2Apparatus 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
- 1272US4979129ADigital color converting apparatus for color image processorRICOH KK·Filed 1988·Granted Dec 18, 1990·26 cites·24 claims
- 1366US6041139AImage processing apparatusRICOH KK·Filed 1996·Granted Mar 21, 2000·42 cites·14 claims
- 1458US7088472B1Method, 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
- 1557US5781653AImage processing apparatus for determining copying-inhibited documentRICOH KK·Filed 1995·Granted Jul 14, 1998·47 cites·20 claims
- 1656US7221466B2Image processing device, image processing method and image forming apparatusRICOH KK·Filed 2001·Granted May 22, 2007·5 cites·9 claims
- 1753US5473444AImage processing device having function of detecting dotted-image areaRICOH KK·Filed 1995·Granted Dec 5, 1995·17 cites·6 claims
- 1849US2006198952A1Method of applying protective layer forming materialNAGASE BANSEI·Filed 2004·Application pending·0 cites
- 1948US6122406AImage processing deviceRICOH KK·Filed 1998·Granted Sep 19, 2000·16 cites·7 claims
- 2044US2006156973A1Coating system for forming protective layerNAGASE BANSEI·Filed 2004·Application pending·0 cites
- 2144US2003058471A1Method and apparatus for image processing capable of automatically adding/upgrading image processing functions, and a computer readable data medium containing computer instructions for performing the methodFiled 2002·Application pending·0 cites
- 2241US2020075836A1Cap and piezoelectric deviceNIHON DEMPA KOGYO CO·Filed 2019·Application pending·0 cites
- 2341US2020076401A1Piezoelectric deviceNIHON DEMPA KOGYO CO·Filed 2019·Application pending·0 cites
- 2440US2002140950A1Image outputting apparatus, an image outputting method and a computer program thereof, and a computer-readable storage medium storing the programFiled 2002·Application pending·0 cites
- 2533US2004180136A1Application system and application method for protective layer forming materialHONDA MOTOR CO LTD·Filed 2003·Application pending·0 cites
- 2632US2006191476A1Coating system for forming protective layerNAGASE BANSEI·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →