Inventor · disambiguated record
Masahiko Hashimoto
Also filed as: HASHIMOTO MASAHIKO
73 granted patents·26 pending applications·1,390 citations·filing 1988–2022
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD35PANASONIC CORP16WESTERN DIGITAL TECH INC9MAX CO LTD7PANASONIC IP MAN CO LTD5
Top patents by PatentIndex Score
99 records- 0199US10839833B1Spin transfer torque device with oxide layer beneath the seed layerWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 17, 2020·7 cites·20 claims
- 0298US10867625B1Spin transfer torque (STT) device with template layer for Heusler alloy magnetic layersWESTERN DIGITAL TECH INC·Filed 2020·Granted Dec 15, 2020·16 cites·23 claims
- 0396US5377682AUltrasonic probe for transmission and reception of ultrasonic wave and ultrasonic diagnostic apparatus including ultrasonic probeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jan 3, 1995·266 cites·18 claims
- 0495US10997993B1Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write headWESTERN DIGITAL TECH INC·Filed 2020·Granted May 4, 2021·5 cites·10 claims
- 0595US7061163B2Ultrasonic transducer and ultrasonic flowmeterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 13, 2006·78 cites·12 claims
- 0692US6989625B2Acoustic matching layer, ultrasonic transducer and ultrasonic flowmeterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 24, 2006·47 cites·19 claims
- 0791US6788620B2Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 7, 2004·41 cites·11 claims
- 0889US6796189B1Ultrasonic flowmeter having sequentially changed driving methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 28, 2004·31 cites·19 claims
- 0989US5285946AApparatus for mounting componentsSANYO ELECTRIC CO·Filed 1992·Granted Feb 15, 1994·75 cites·6 claims
- 1088US7046015B2Ultrasonic distance measureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 16, 2006·31 cites·20 claims
- 1185US10566015B2Spin transfer torque (STT) device with template layer for heusler alloy magnetic layersWESTERN DIGITAL TECH INC·Filed 2018·Granted Feb 18, 2020·8 cites·20 claims
- 1285US9057008B2Porous silica material and optical microphonePANASONIC CORP·Filed 2013·Granted Jun 16, 2015·3 cites·9 claims
- 1385US5003457ASimultaneous data and electric power transmitting/receiving systemHITACHI CHEMICAL CO LTD·Filed 1988·Granted Mar 26, 1991·97 cites·14 claims
- 1484US7162930B2Ultrasonic sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 16, 2007·23 cites·30 claims
- 1584US6965107B2Semiconductor-based encapsulated infrared sensor and electronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 15, 2005·31 cites·9 claims
- 1683US6776051B2Ultrasonic transducer and ultrasonic flowmeter using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 17, 2004·20 cites·25 claims
- 1782US10460752B2Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write headWESTERN DIGITAL TECH INC·Filed 2018·Granted Oct 29, 2019·5 cites·27 claims
- 1882US6890834B2Electronic device and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 10, 2005·28 cites·20 claims
- 1979US7766793B2Passive-type exercising device and its control deviceSANYO ELECTRIC CO·Filed 2009·Granted Aug 3, 2010·8 cites·10 claims
- 2079US7404798B2Ultrasonic diagnostic apparatus and ultrasonic diagnostic apparatus control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 29, 2008·41 cites·17 claims
- 2177US10734013B2Spin transfer torque (STT) device with multilayer seed layers for magnetic recording and memoryWESTERN DIGITAL TECH INC·Filed 2019·Granted Aug 4, 2020·3 cites·29 claims
- 2277US7403016B2Car power source apparatusSANYO ELECTRIC CO·Filed 2005·Granted Jul 22, 2008·12 cites·11 claims
- 2377US6969943B2Acoustic matching layer and ultrasonic transducerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 29, 2005·13 cites·23 claims
- 2477US6941821B2Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 13, 2005·12 cites·11 claims
- 2576US5934247AEngine deceleration control deviceNISSAN MOTOR·Filed 1998·Granted Aug 10, 1999·31 cites·11 claims
- 2675US8813571B2Optical microphoneIWAMOTO TAKUYA·Filed 2012·Granted Aug 26, 2014·5 cites·16 claims
- 2775US8306429B2Optical ultrasonic microphoneHASHIMOTO MASAHIKO·Filed 2009·Granted Nov 6, 2012·9 cites·13 claims
- 2874US7363125B2Tracking system and autonomous mobile unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Apr 22, 2008·11 cites·10 claims
- 2973US9014565B2Optical microphonePANASONIC CORP·Filed 2013·Granted Apr 21, 2015·3 cites·14 claims
- 3073US7087264B2Ultrasonic transducer, method for manufacturing ultrasonic transducer, and ultrasonic flowmeterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 8, 2006·11 cites·3 claims
- 3173US6925891B2Ultrasonic flowmeter and method of measuring flow volumeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 9, 2005·18 cites·22 claims
- 3273US6508133B1Ultrasonic flowmeter and ultrasonic generator/detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 21, 2003·37 cites·38 claims
- 3372US8652432B2Method for producing porous silica materialPANASONIC CORP·Filed 2013·Granted Feb 18, 2014·1 cites·10 claims
- 3472US6604433B1Ultrasonic transducer and ultrasonic flowmeterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 12, 2003·20 cites·12 claims
- 3571US7092512B2Call control device and call control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 15, 2006·11 cites·11 claims
- 3670US6496680B2Image fixing device and method using ultrasonic vibrationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 17, 2002·11 cites·64 claims
- 3769US7617731B2Ultrasonic measuring apparatus and ultrasonic measuring methodPANASONIC CORP·Filed 2006·Granted Nov 17, 2009·8 cites·14 claims
- 3869US7389569B2Method for manfacturing an acoustic matching memberMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 24, 2008·9 cites·6 claims
- 3969US7082841B2Ultrasonic flowmeterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 1, 2006·9 cites·7 claims
- 4069US6474538B1Bonding apparatus and bonding methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 5, 2002·16 cites·27 claims
- 4168US11872809B2Head adjustment device, head device, and printing apparatusFUJIFILM CORP·Filed 2021·Granted Jan 16, 2024·0 cites·10 claims
- 4268US8726733B2Ultrasonic measuring method and ultrasonic measuring apparatusHASHIMOTO MASAHIKO·Filed 2011·Granted May 20, 2014·4 cites·10 claims
- 4368US6697299B2Individual authentication method, individual authentication apparatus, information communication apparatus equipped with the apparatus, and individual authentication system including the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 24, 2004·19 cites·15 claims
- 4468US5161537AUltrasonic diagnostic systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 10, 1992·44 cites·5 claims
- 4567US7565842B2Ultrasonic receiverPANASONIC CORP·Filed 2007·Granted Jul 28, 2009·6 cites·8 claims
- 4665US2024228838A1Adhesive compositionMORESCO CORP·Filed 2021·Application pending·0 cites
- 4764US10446175B2Spin transfer torque device with oxide layer beneath the seed layerWESTERN DIGITAL TECH INC·Filed 2017·Granted Oct 15, 2019·1 cites·16 claims
- 4864US6984922B1Composite piezoelectric transducer and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 10, 2006·13 cites·18 claims
- 4963US11646052B2Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write headWESTERN DIGITAL TECH INC·Filed 2021·Granted May 9, 2023·0 cites·20 claims
- 5063US9173039B2Optical microphoneIWAMOTO TAKUYA·Filed 2013·Granted Oct 27, 2015·2 cites·19 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →