Inventor · disambiguated record
Satoshi Matsunuma
Also filed as: MATSUNUMA SATOSHI
23 granted patents·7 pending applications·524 citations·filing 1990–2023
96Inventor score
Top patents by PatentIndex Score
30 records- 0193US5651867APlasma processing method and apparatusHITACHI LTD·Filed 1990·Granted Jul 29, 1997·91 cites·23 claims
- 0292US7038873B2Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surfaceHITACHI MAXELL·Filed 2003·Granted May 2, 2006·37 cites·23 claims
- 0392US6893746B1Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2000·Granted May 17, 2005·43 cites·37 claims
- 0490US7226674B2Magnetic recording medium, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2004·Granted Jun 5, 2007·35 cites·13 claims
- 0590US6221508B1Magnetic recording mediaHITACHI LTD·Filed 1998·Granted Apr 24, 2001·47 cites·8 claims
- 0689US6846583B2Magnetic recording medium and magnetic recording apparatusHITACHI MAXELL·Filed 2003·Granted Jan 25, 2005·38 cites·21 claims
- 0788US6511761B1Magnetic recording media and magnetic storage apparatusHITACHI LTD·Filed 2000·Granted Jan 28, 2003·25 cites·12 claims
- 0888US5409738ARecording mediumHITACHI LTD·Filed 1994·Granted Apr 25, 1995·45 cites·11 claims
- 0985US6815098B2Magnetic recording medium, method for producing the same, and magnetic storage apparatusHITACHI MAXELL·Filed 2003·Granted Nov 9, 2004·18 cites·23 claims
- 1084US6602621B2Magnetic recording medium, method for producing the same, and magnetic storage apparatusHITACHI MAXELL·Filed 2001·Granted Aug 5, 2003·52 cites·14 claims
- 1183US6866948B2Magnetic recording medium and magnetic recording apparatusHITACHI MAXELL·Filed 2003·Granted Mar 15, 2005·18 cites·12 claims
- 1277US6574060B2Magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Jun 3, 2003·9 cites·6 claims
- 1376US6569545B1Magnetic recording medium and a magnetic storage apparatusHITACHI LTD·Filed 1999·Granted May 27, 2003·24 cites·2 claims
- 1469US6863998B2Magnetic recording medium, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2002·Granted Mar 8, 2005·7 cites·17 claims
- 1565US7050253B2Magnetic recording media and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 23, 2006·4 cites·24 claims
- 1664US6924048B2Magnetic recording medium and a magnetic storage apparatusHITACHI LTD·Filed 2003·Granted Aug 2, 2005·4 cites·7 claims
- 1763US5104709AMagnetic recording medium which includes a protective layer, an adhesion strengthening substance and a lubricant layerHITACHI LTD·Filed 1990·Granted Apr 14, 1992·15 cites·21 claims
- 1859US9061441B2Method for producing vinyl alcohol resinFUJIMURA KEISUKE·Filed 2011·Granted Jun 23, 2015·1 cites·8 claims
- 1957US2025268506A1Electrocardiographic signal measuring apparatusMAXELL LTD·Filed 2023·Application pending·0 cites
- 2054US7348077B2Magnetic recording medium and magnetic recording apparatusHITACHI MAXELL·Filed 2004·Granted Mar 25, 2008·2 cites·9 claims
- 2150US6699602B2Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatusHITACHI MAXELL·Filed 2002·Granted Mar 2, 2004·1 cites·16 claims
- 2248US6846582B2Magnetic recording medium, method for producing the same, and magnetic storage apparatusHITACHI MAXELL·Filed 2002·Granted Jan 25, 2005·8 cites·24 claims
- 2348US2024335153A1Electrocardiac signal analysis deviceMAXELL LTD·Filed 2022·Application pending·0 cites
- 2447US2022030675A1A microwave oven cooking utensil and a method for manufacturing the sameMAXELL LTD·Filed 2020·Application pending·0 cites
- 2543US8350002B2Process for producing ethylene/vinyl alcohol copolymerNIPPON SYNTHETIC CHEM IND·Filed 2010·Granted Jan 8, 2013·0 cites·16 claims
- 2640US2004121190A1Magnetic recording medium and magnetic storage apparatus using the sameHITACHI MAXELL·Filed 2003·Application pending·0 cites
- 2740US2004241500A1Magnetic recording medium, method for producing magnetic recording medium, and magnetic storage deviceFiled 2004·Application pending·0 cites
- 2839US6994923B2Magnetic recording medium, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2003·Granted Feb 7, 2006·0 cites·10 claims
- 2937US2002064689A1Magnetic recording medium and magnetic recording apparatusHITACHI MAXELL·Filed 2001·Application pending·0 cites
- 3036US2003157373A1Magnetic recording medium, method of manufacture thereof, and magnetic recorderFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →