Inventor · disambiguated record
Akio Okubo
Also filed as: OKUBO AKIO
35 granted patents·3 pending applications·984 citations·filing 1980–2012
98Inventor score
Top patents by PatentIndex Score
38 records- 0195US5859653AInk jet recording apparatus for maintaining constant distance between recording head and recording mediumCANON KK·Filed 1997·Granted Jan 12, 1999·120 cites·23 claims
- 0293US5689290ALiquid level detecting mechanism and ink jet recording apparatus having the mechanismCANON KK·Filed 1996·Granted Nov 18, 1997·88 cites·40 claims
- 0393US5481290ARecording apparatusCANON KK·Filed 1993·Granted Jan 2, 1996·89 cites·8 claims
- 0492US6012795AInk amount detecting device and recording apparatus provided with such a deviceCANON KK·Filed 1997·Granted Jan 11, 2000·88 cites·20 claims
- 0591US6092891AFixing mechanism and ink jet recording apparatus using the fixing mechanismCANON KK·Filed 1994·Granted Jul 25, 2000·78 cites·14 claims
- 0689US8079589B2Sheet conveying apparatus and image forming apparatusKINOSHITA HIROYUKI·Filed 2009·Granted Dec 20, 2011·12 cites·15 claims
- 0788US7077517B2Image reading and recording apparatusCANON KK·Filed 2003·Granted Jul 18, 2006·32 cites·18 claims
- 0886US7782504B2Image reading/recording apparatusCANON KK·Filed 2006·Granted Aug 24, 2010·10 cites·3 claims
- 0986US5508722AInk jet apparatus and method for detecting ink nondischarge based on ink temperatureCANON KK·Filed 1993·Granted Apr 16, 1996·43 cites·13 claims
- 1085US5166707AInk jet recording apparatus having easy-access recording medium conveyance routeCANON KK·Filed 1991·Granted Nov 24, 1992·51 cites·10 claims
- 1184US7290763B2Sheet feeding apparatus and image reading and recording apparatus provided with the sameCANON KK·Filed 2003·Granted Nov 6, 2007·20 cites·10 claims
- 1284US5988787AInk jet apparatus having a recording unit cartridge including a recording head, ink supply system and ink collecting memberCANON KK·Filed 1995·Granted Nov 23, 1999·52 cites·8 claims
- 1382US5548309AApparatus and method for wiping an ink jet recording head with control of relative speed between wiper and headCANON KK·Filed 1991·Granted Aug 20, 1996·46 cites·31 claims
- 1478US5481283ARecovery system and ink jet recording apparatus provided with said recovery systemCANON KK·Filed 1995·Granted Jan 2, 1996·33 cites·26 claims
- 1576US7151622B2Image reading and recording apparatusCANON KK·Filed 2002·Granted Dec 19, 2006·14 cites·22 claims
- 1675US7641184B2Image reading and recording apparatusCANON KK·Filed 2006·Granted Jan 5, 2010·5 cites·4 claims
- 1773US8573764B2Drying apparatus and printing apparatusSAITO RIICHI·Filed 2010·Granted Nov 5, 2013·2 cites·19 claims
- 1870US6102506ARecording apparatusCANON KK·Filed 1996·Granted Aug 15, 2000·38 cites·21 claims
- 1969US5721581ARecording apparatusCANON KK·Filed 1994·Granted Feb 24, 1998·25 cites·19 claims
- 2065US5844687AImage processing apparatusCANON KK·Filed 1995·Granted Dec 1, 1998·31 cites·50 claims
- 2163US7382506B2Image reading and recording apparatusCANON KK·Filed 2003·Granted Jun 3, 2008·5 cites·12 claims
- 2259US7393502B2Test device for analysis of a liquid sampleKYOTO DAIICHI KAGAKU KK·Filed 2002·Granted Jul 1, 2008·3 cites·9 claims
- 2358US5412407AHeat transfer recording apparatus with common drive source for driving plural elementsCANON KK·Filed 1994·Granted May 2, 1995·15 cites·8 claims
- 2457US9500649B2Analytical tool and method for determining a condition of an oral cavityNISHINAGA EIJI·Filed 2011·Granted Nov 22, 2016·1 cites·14 claims
- 2557US4364684AWriting instrumentPENTEL KK·Filed 1980·Granted Dec 21, 1982·15 cites·9 claims
- 2651US2004171088A1Method for counting leukocytes and leukocyte counterARKRAY INC·Filed 2004·Application pending·0 cites
- 2748US9289914B2Image forming apparatus and cutting deviceUEDA MASAHARU·Filed 2010·Granted Mar 22, 2016·0 cites·7 claims
- 2847US7433091B2Image forming and reading apparatusCANON KK·Filed 2003·Granted Oct 7, 2008·0 cites·3 claims
- 2947US6048046AInk discharge detecting method for an ink jet recording apparatus, said ink jet recording apparatus and an image forming device using said ink jet recording apparatusCANON KK·Filed 1996·Granted Apr 11, 2000·7 cites·27 claims
- 3046US2005255602A1Test kit and process for producing the sameARKRAY INC·Filed 2003·Application pending·0 cites
- 3143US6540962B1Testing instrument for analyzing liquid sampleKYOTO DAIICHI KAGAKU KK·Filed 1998·Granted Apr 1, 2003·17 cites·4 claims
- 3242US6467868B2Ink discharge detecting method for an ink jet recording apparatus, said ink jet recording apparatus, and an image forming device using said ink jet recording apparatusCANON KK·Filed 2000·Granted Oct 22, 2002·1 cites·3 claims
- 3342US5889216ALiquid holding device and method of manufacturing the sameKYOTO DAIICHI KAGAKU KK·Filed 1998·Granted Mar 30, 1999·16 cites·2 claims
- 3442US5780752ALiquid holding deviceKYOTO DAIICHI KAGAKU KK·Filed 1996·Granted Jul 14, 1998·17 cites·17 claims
- 3541US2013010293A1Spectrophotometer, spectrophotometer tool, spectrophotometric method, and recording mediumARKRAY INC·Filed 2012·Application pending·0 cites
- 3637US6743591B1Method for counting leukocytes and leukocyte counterARKRAY INC·Filed 1999·Granted Jun 1, 2004·4 cites·13 claims
- 3731US5951950ADevice for assay of liquid sampleKYOTO DAIICHI KAGAKU KK·Filed 1997·Granted Sep 14, 1999·4 cites·8 claims
- 3830US6350616B1Method of manufacturing a device for assay of liquid sampleKYOTO DAIICHI KAGAKU KK·Filed 1999·Granted Feb 26, 2002·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →