Inventor · disambiguated record
Masahiro Hayakawa
Also filed as: HAYAKAWA MASAHIRO
43 granted patents·12 pending applications·540 citations·filing 1980–2023
98Inventor score
Top patents by PatentIndex Score
55 records- 0198US5946501AWaterproof and/or water-resistant cameraASAHI OPTICAL CO LTD·Filed 1997·Granted Aug 31, 1999·107 cites·3 claims
- 0296US11269266B2Image forming apparatus and developer replenishment thereofCANON KK·Filed 2020·Granted Mar 8, 2022·6 cites·21 claims
- 0395US5713048AWaterproof and/or water-resistant cameraASAHI OPTICAL CO LTD·Filed 1995·Granted Jan 27, 1998·68 cites·17 claims
- 0494US6130993ACamera having an image stabilizerASAHI OPTICAL CO LTD·Filed 1999·Granted Oct 10, 2000·50 cites·34 claims
- 0593US5070348AWaterproof and/or water-resistant cameraASAHI OPTICAL CO LTD·Filed 1990·Granted Dec 3, 1991·44 cites·45 claims
- 0690US9041757B2Image forming apparatus in which the light irradiated on a non-imaging portion is adjustedCANON KK·Filed 2013·Granted May 26, 2015·7 cites·13 claims
- 0790US5345285AView finder and camera having sameASAHI OPTICAL CO LTD·Filed 1993·Granted Sep 6, 1994·36 cites·30 claims
- 0887US8635474B2Image forming apparatusHAYAKAWA MASAHIRO·Filed 2010·Granted Jan 21, 2014·6 cites·22 claims
- 0984US6603495B2Image forming apparatus having improved position aberration detectionCANON KK·Filed 2001·Granted Aug 5, 2003·27 cites·20 claims
- 1080US9488233B2Control device for electromagnetic clutchJTEKT CORP·Filed 2015·Granted Nov 8, 2016·2 cites·4 claims
- 1179US9108352B2Injection molding machineSUMITOMO HEAVY INDUSTRIES·Filed 2014·Granted Aug 18, 2015·4 cites·8 claims
- 1277US2024061359A1Image forming apparatus and developer replenishment thereofCANON KK·Filed 2023·Application pending·0 cites
- 1376US9090016B2Injection molding machineSUMITOMO HEAVY INDUSTRIES·Filed 2014·Granted Jul 28, 2015·3 cites·8 claims
- 1476US7597001B2Humidity measuring apparatus and image forming apparatusCANON KK·Filed 2007·Granted Oct 6, 2009·4 cites·10 claims
- 1576US6615952B2Double deck elevatorTOSHIBA KK·Filed 2001·Granted Sep 9, 2003·16 cites·15 claims
- 1675US11580326B2Ontology matching based on weak supervisionNEC Laboratories Europe GmbH·Filed 2020·Granted Feb 14, 2023·1 cites·18 claims
- 1775US7006105B2Color correction method and color correction program to obtain desired output imageMINOLTA CO LTD·Filed 2001·Granted Feb 28, 2006·13 cites·12 claims
- 1874US5305031ASealed caseASAHI OPTICAL CO LTD·Filed 1992·Granted Apr 19, 1994·15 cites·10 claims
- 1973US5111222APressure alarm in water-sealed cameraASAHI OPTICAL CO LTD·Filed 1990·Granted May 5, 1992·17 cites·19 claims
- 2072US11874612B2Image forming apparatus and developer replenishment thereofCANON KK·Filed 2022·Granted Jan 16, 2024·0 cites·4 claims
- 2170US8926315B2Injection molding machineSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Jan 6, 2015·1 cites·5 claims
- 2269US2022370510A1Amelioration and treatment of brain disorder resulting from fetal growth retardation using pluripotent stem cellsUNIV NAGOYA NAT UNIV CORP·Filed 2022·Application pending·0 cites
- 2368US7127102B2Color matching method and device, color matching program, and computer readable record medium that stores color matching program allowing appropriate color matching at high speedMINOLTA CO LTD·Filed 2001·Granted Oct 24, 2006·8 cites·14 claims
- 2467US9227352B2Injection molding machineSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Jan 5, 2016·1 cites·6 claims
- 2561US4359754ASemiconductor deviceFUJITSU LTD·Filed 1980·Granted Nov 16, 1982·22 cites·6 claims
- 2660US7077240B2Covers between an upper cage and a lower cage of a double deck elevatorTOSHIBA KK·Filed 2003·Granted Jul 18, 2006·8 cites·6 claims
- 2759US5452034ARegulated parallax compensation system for a camera finderASAHI OPTICAL CO LTD·Filed 1994·Granted Sep 19, 1995·8 cites·25 claims
- 2859US2020197446A1Amelioration and treatment of brain disorder resulting from fetal growth retardation using pluripotent stem cellsUNIV NAGOYA NAT UNIV CORP·Filed 2018·Application pending·0 cites
- 2958US5708875ACamera having electronic flash equipmentASAHI OPTICAL CO LTD·Filed 1996·Granted Jan 13, 1998·6 cites·13 claims
- 3057US5406346AAdaptor for film cartridgeASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 11, 1995·4 cites·33 claims
- 3155US8332398B2Database system in which logical principles for a data retrieval process can evolve based upon learningSASAI KOSUKE·Filed 2003·Granted Dec 11, 2012·5 cites·21 claims
- 3253US7817948B2Image forming apparatus and control method of image forming apparatusCANON KK·Filed 2009·Granted Oct 19, 2010·0 cites·5 claims
- 3353US5305041ARemotely controllable camera systemASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 19, 1994·6 cites·9 claims
- 3452US7167273B2Image processing apparatus and method capable of eliminating image contour distortionMINOLTA CO LTD·Filed 2001·Granted Jan 23, 2007·1 cites·22 claims
- 3552US6374057B1Data imprinting system for cameraASAHI OPTICAL CO LTD·Filed 2000·Granted Apr 16, 2002·2 cites·24 claims
- 3652US5021938ATransmission system with backup functionFUJITSU LTD·Filed 1989·Granted Jun 4, 1991·18 cites·17 claims
- 3751US8934798B2Image forming apparatusCANON KK·Filed 2013·Granted Jan 13, 2015·0 cites·8 claims
- 3849US2009246306A1Injection Apparatus and Adjusting Method of the Injection ApparatusSUMITOMO HEAVY INDUSTRIES·Filed 2006·Application pending·0 cites
- 3949US2009243131A1Injection Molding Machine and Control Method of the Injection Molding MachineSUMITOMO HEAVY INDUSTRIES·Filed 2007·Application pending·0 cites
- 4048US7609987B2Image forming apparatus and control method of image forming apparatusCANON KK·Filed 2006·Granted Oct 27, 2009·0 cites·3 claims
- 4148US2008098016A1Database system in which logical principles for a data retrieval process can evolve based upon learningSASAI KOSUKE·Filed 2007·Application pending·0 cites
- 4247US5153622APressure alarm for water-sealed cameraASAHI OPTICAL CO LTD·Filed 1991·Granted Oct 6, 1992·14 cites·6 claims
- 4343US2020234010A1Structured natural language knowledge systemBIOMEDICAL OBJECTS INC·Filed 2018·Application pending·0 cites
- 4441US2019290702A1Amelioration and treatment of perinatal brain damage with pluripotent stem cellsUNIV NAGOYA NAT UNIV CORP·Filed 2017·Application pending·0 cites
- 4541US2013272742A1Dc/dc converter and image forming apparatus including the sameCANON KK·Filed 2013·Application pending·0 cites
- 4641US2008088048A1Injection Molding Machine, Plasticizer Moving Apparatus And Nozzle Touch MethodSUMITOMO HEAVY INDUSTRIES·Filed 2005·Application pending·0 cites
- 4740US12083149B2Amelioration and treatment of chronic lung disease using pluripotent stem cellsUNIV TOHOKU·Filed 2017·Granted Sep 10, 2024·0 cites·6 claims
- 4840US11648974B2Steering supportFUTABA IND CO LTD·Filed 2021·Granted May 16, 2023·0 cites·11 claims
- 4938US5907729ACamera having cover mechanism of film chamberASAHI OPTICAL CO LTD·Filed 1998·Granted May 25, 1999·1 cites·23 claims
- 5037US2004194576A1Sintered alloy, method for production thereof and valve sheetFiled 2002·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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