Inventor · disambiguated record
Norifumi Miyamoto
Also filed as: MIYAMOTO NORIFUMI
20 granted patents·2 pending applications·342 citations·filing 1985–2024
95Inventor score
Files withHITACHI LTD11HITACHI GLOBAL STORAGE TECH5HGST Netherlands BV1ISHIKAWAJIMA HARIMA HEAVY IND1JAPAN ULTRA HIGH TEMPERATURE MATERIALS RES CENTER1
Top patents by PatentIndex Score
22 records- 0193US4775967ABeam spot control device using a thin micro lens with an actuatorHITACHI LTD·Filed 1985·Granted Oct 4, 1988·55 cites·23 claims
- 0291US4773060AOptical information recording deviceHITACHI LTD·Filed 1985·Granted Sep 20, 1988·44 cites·16 claims
- 0389US4937808AIntergrated optical head with flexible substrate portionHITACHI LTD·Filed 1988·Granted Jun 26, 1990·40 cites·6 claims
- 0488US8879189B2Magnetic head slider having shared heater and contact sensor terminal padsMIYAMOTO NORIFUMI·Filed 2012·Granted Nov 4, 2014·24 cites·20 claims
- 0585US7330324B2Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a functionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 12, 2008·20 cites·19 claims
- 0684US7518814B2Magnetic head tester and method of manufacturing magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Apr 14, 2009·6 cites·18 claims
- 0783US4811328AOptical recording and reproducing deviceHITACHI LTD·Filed 1985·Granted Mar 7, 1989·30 cites·16 claims
- 0882US5177717AOptical memory medium and its information recording and erasing method and apparatusHITACHI LTD·Filed 1991·Granted Jan 5, 1993·32 cites·40 claims
- 0978US5461517AMagneto-resistance effect type of recording/reproducing headHITACHI LTD·Filed 1994·Granted Oct 24, 1995·27 cites·20 claims
- 1077US4718053AOptical information apparatus and method of recording and erasing informationHITACHI LTD·Filed 1985·Granted Jan 5, 1988·23 cites·21 claims
- 1173US6903906B2Magnetic head with a lamination stack to control the magnetic domainHITACHI LTD·Filed 2002·Granted Jun 7, 2005·17 cites·12 claims
- 1271US8911825B2Fiber-reinforced heat-resistant sound-absorbing material and process for producing the sameOISHI TSUTOMU·Filed 2010·Granted Dec 16, 2014·2 cites·3 claims
- 1369US8940187B2Ceramic composite for light conversion, process for production thereof, and light-emitting devices provided with sameOHTSUBO HIDEKI·Filed 2011·Granted Jan 27, 2015·3 cites·20 claims
- 1462US4862440AOptical head with optical beam control using acoustic wave deviceHITACHI LTD·Filed 1987·Granted Aug 29, 1989·12 cites·11 claims
- 1561US7230803B2Magnetic head with magnetic domain control structure having anti-ferromagnetic layer and plural magnetic layersHITACHI LTD·Filed 2004·Granted Jun 12, 2007·4 cites·18 claims
- 1658US7206175B2Magnetoresistive head having defined relationships between the tract width and magnetization film thickness product to permit no hysteresis in the transfer curveHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 17, 2007·3 cites·15 claims
- 1755US7292416B2CPP magneto resistive head with decreased variation in asymmetry and outputHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 6, 2007·0 cites·5 claims
- 1854US2024254054A1Eutectic ceramic fiber and eutectic ceramic fiber aggregateJAPAN ULTRA HIGH TEMPERATURE MATERIALS RES CENTER·Filed 2024·Application pending·0 cites
- 1951US7829479B2Fiber-reinforced heat-resistant sound-absorbing material and process for producing the sameISHIKAWAJIMA HARIMA HEAVY IND·Filed 2005·Granted Nov 9, 2010·0 cites·1 claims
- 2050US2008043376A1Magnetic resistive head and magnetic recording apparatusHITACHI LTD·Filed 2007·Application pending·0 cites
- 2149US9263086B2Magnetization control for magnetic shield in magnetic recording headHGST Netherlands BV·Filed 2014·Granted Feb 16, 2016·0 cites·19 claims
- 2244US7031123B2Magneto resistive head and magnetic recording apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 18, 2006·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →