Inventor · disambiguated record
Masaaki Igarashi
Also filed as: IGARASHI MASAAKI
61 granted patents·15 pending applications·601 citations·filing 1976–2021
99Inventor score
Files withCANON KK21SUMITOMO METAL IND16IGARASHI MASAAKI9NIPPON STEEL & SUMITOMO METAL CORP3OMURA TOMOHIKO3
Top patents by PatentIndex Score
76 records- 0193US4652315APrecipitation-hardening nickel-base alloy and method of producing sameSUMITOMO METAL IND·Filed 1984·Granted Mar 24, 1987·47 cites·14 claims
- 0290US4076861AMagnetic recording substanceFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 28, 1978·38 cites·8 claims
- 0389US7731895B2Austenitic Fe-Ni-Cr alloySUMITOMO METAL IND·Filed 2007·Granted Jun 8, 2010·7 cites·4 claims
- 0488US7531129B2Stainless steel for high-pressure hydrogen gasSUMITOMO METAL IND·Filed 2005·Granted May 12, 2009·7 cites·20 claims
- 0586USD424612SInk tank for printerCANON KK·Filed 1999·Granted May 9, 2000·29 cites·1 claims
- 0686USD390597SPrinter for electronic computerCANON KK·Filed 1997·Granted Feb 10, 1998·30 cites·1 claims
- 0784US8293169B2Ni-base heat resistant alloySEMBA HIROYUKI·Filed 2011·Granted Oct 23, 2012·3 cites·4 claims
- 0882US10266909B2High-strength austenitic stainless steel for high-pressure hydrogen gasOMURA TOMOHIKO·Filed 2012·Granted Apr 23, 2019·2 cites·4 claims
- 0982US8663400B2Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogenOMURA TOMOHIKO·Filed 2009·Granted Mar 4, 2014·4 cites·6 claims
- 1082US7749431B2Stainless steel for high-pressure hydrogen gasSUMITOMO METAL IND·Filed 2005·Granted Jul 6, 2010·4 cites·15 claims
- 1182USD456443SPrinterCANON KK·Filed 2001·Granted Apr 30, 2002·26 cites·1 claims
- 1281US8784581B2Fe-Ni alloy pipe stock and method for manufacturing the sameIGARASHI MASAAKI·Filed 2006·Granted Jul 22, 2014·5 cites·4 claims
- 1378USD438560SInk tank for printerCANON KK·Filed 2000·Granted Mar 6, 2001·23 cites·1 claims
- 1478US5849111ADuplex stainless steelSUMITOMO METAL IND·Filed 1995·Granted Dec 15, 1998·31 cites·16 claims
- 1577USD423568SInk tank for printerCANON KK·Filed 1999·Granted Apr 25, 2000·19 cites·1 claims
- 1676US8137613B2Austenitic stainless steel welded joint and austenitic stainless steel welding materialOSUKI TAKAHIRO·Filed 2009·Granted Mar 20, 2012·2 cites·4 claims
- 1776US7935303B2Low alloy steelSUMITOMO METAL IND·Filed 2008·Granted May 3, 2011·2 cites·2 claims
- 1875US6918968B2Austenitic stainless steelSUMITOMO METAL IND·Filed 2004·Granted Jul 19, 2005·16 cites·8 claims
- 1975US6129999AHigh-strength welded steel structures having excellent corrosion resistanceSUMITOMO METAL IND·Filed 1996·Granted Oct 10, 2000·36 cites·4 claims
- 2075USD413300SBattery pack for printerCANON KK·Filed 1998·Granted Aug 31, 1999·18 cites·1 claims
- 2174US5746843ALow Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperaturesSUMITOMO METAL IND·Filed 1997·Granted May 5, 1998·26 cites·19 claims
- 2273US8390857B2Image forming apparatus, image forming method, and computer-readable recording medium which performs duplex printing and inserts blank sheet imagesIGARASHI MASAAKI·Filed 2009·Granted Mar 5, 2013·6 cites·5 claims
- 2373US7898676B2Image forming device, image forming method, image forming program, and recording mediumRICOH CO LTD·Filed 2006·Granted Mar 1, 2011·3 cites·12 claims
- 2473US5591391AHigh chromium ferritic heat-resistant steelSUMITOMO METAL IND·Filed 1995·Granted Jan 7, 1997·26 cites·16 claims
- 2573US5000914APrecipitation-hardening-type ni-base alloy exhibiting improved corrosion resistanceSUMITOMO METAL IND·Filed 1987·Granted Mar 19, 1991·20 cites·6 claims
- 2672USD428623SComputer printerCANON KK·Filed 1998·Granted Jul 25, 2000·16 cites·1 claims
- 2771USD424102SComputer printerCANON KK·Filed 1999·Granted May 2, 2000·15 cites·1 claims
- 2869US9779317B2Image processing system, image processing apparatus, and method for image processingIGARASHI MASAAKI·Filed 2015·Granted Oct 3, 2017·2 cites·5 claims
- 2969US8514436B2Image forming apparatus and print control method, and program productIGARASHI MASAAKI·Filed 2010·Granted Aug 20, 2013·3 cites·14 claims
- 3067US7393597B2Welded joint made of an austenitic steelSUMITOMO METAL IND·Filed 2005·Granted Jul 1, 2008·4 cites·10 claims
- 3166US8701455B2Method for manufacturing a high alloy pipeSAGARA MASAYUKI·Filed 2009·Granted Apr 22, 2014·2 cites·2 claims
- 3266US6299704B1Heat resisting steel containing a ferrite or tempered martensite structureJP NAT RES INST FOR METALS·Filed 1999·Granted Oct 9, 2001·21 cites·6 claims
- 3366US5217684APrecipitation-hardening-type Ni-base alloy exhibiting improved corrosion resistanceSUMITOMO METAL IND·Filed 1990·Granted Jun 8, 1993·18 cites·15 claims
- 3465US10260125B2High-strength austenitic stainless steel for high-pressure hydrogen gasNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Apr 16, 2019·0 cites·6 claims
- 3565US9034125B2Method for manufacturing Ni base alloy pipe stockNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted May 19, 2015·0 cites·4 claims
- 3665US8801877B2Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and method for manufacturing the same memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Aug 12, 2014·0 cites·2 claims
- 3765US7662244B2Martensitic stainless steel and method for manufacturing sameSUMITOMO METAL IND·Filed 2003·Granted Feb 16, 2010·6 cites·18 claims
- 3863US7128791B2Heat-resistant martensite alloy excellent in high-temperature creep rupture strength and ductility and process for producing the sameHITACHI LTD·Filed 2002·Granted Oct 31, 2006·4 cites·15 claims
- 3961US4132827AMagnetic recording substanceFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 2, 1979·14 cites·9 claims
- 4060US7361236B2Martensitic stainless steelSUMITOMO METAL IND·Filed 2003·Granted Apr 22, 2008·4 cites·12 claims
- 4159US8488166B2Printing system, printing device, program and storage mediumHIRAKAWA TAKAHIRO·Filed 2010·Granted Jul 16, 2013·2 cites·7 claims
- 4257US8619290B2Image forming apparatus, image forming system, and image forming methodYONEZAWA HOZUMI·Filed 2010·Granted Dec 31, 2013·1 cites·12 claims
- 4357USD382582SLaser beam printerCANON KK·Filed 1995·Granted Aug 19, 1997·9 cites·1 claims
- 4457US2007181225A1Ni base alloy pipe stock and method for manufacturing the sameIGARASHI MASAAKI·Filed 2006·Application pending·0 cites
- 4556US8696835B2Austenitic stainless steel for hydrogen gas and a method for its manufactureSEMBA HIROYUKI·Filed 2010·Granted Apr 15, 2014·0 cites·17 claims
- 4656US2010086430A1Heat resistant ferritic steelHIRATA HIROYUKI·Filed 2009·Application pending·0 cites
- 4755USD867432SGrip for camera lensCANON KK·Filed 2016·Granted Nov 19, 2019·6 cites·1 claims
- 4855USD409234SComputer printerCANON KK·Filed 1998·Granted May 4, 1999·8 cites·1 claims
- 4955US2011088819A1Austenitic heat resistant alloy, heat resistant pressure member comprising the alloy, and method for manufacturing the same memberSUMITOMO METAL IND·Filed 2010·Application pending·0 cites
- 5054USD881976SCamera lensCANON KK·Filed 2018·Granted Apr 21, 2020·5 cites·1 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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