Inventor · disambiguated record
James A. Hagan
Also filed as: HAGAN JAMES · HAGAN JAMES A · HAGAN JAMES ALOYSIUS
22 granted patents·5 pending applications·390 citations·filing 1984–2025
96Inventor score
Top patents by PatentIndex Score
27 records- 0196US5309301AServo controlled lubricant thickness for near contact magnetic recordingIBM·Filed 1992·Granted May 3, 1994·74 cites·22 claims
- 0287US6582279B1Apparatus and method for reclaiming a disk substrate for use in a data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Jun 24, 2003·65 cites·20 claims
- 0381US7510463B2Extended life conditioning diskIBM·Filed 2006·Granted Mar 31, 2009·11 cites·11 claims
- 0481US6991521B2Edge finishing process for glass or ceramic disks used in disk drive data storage devicesHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 31, 2006·13 cites·20 claims
- 0580US6254461B1Process of dressing glass disk polishing pads using diamond-coated dressing disksIBM·Filed 2000·Granted Jul 3, 2001·30 cites·6 claims
- 0680USH1471HMetal substrate double sided circuit boardBRAUN DAVID J·Filed 1993·Granted Aug 1, 1995·52 cites·6 claims
- 0778US8491806B2Chemical-mechanical polishing formulation and methods of useHAGAN JAMES A·Filed 2010·Granted Jul 23, 2013·7 cites·11 claims
- 0874US5643649AMethod for improving the flatness of glass disk substratesIBM·Filed 1995·Granted Jul 1, 1997·25 cites·21 claims
- 0971US6236542B1Substrate independent superpolishing process and slurryIBM·Filed 1994·Granted May 22, 2001·32 cites·9 claims
- 1069US6670032B2Oriented magnetic medium on a nonmetallic substrateHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Dec 30, 2003·7 cites·9 claims
- 1168US4587139AMagnetic disk coating method and apparatusIBM·Filed 1984·Granted May 6, 1986·19 cites·10 claims
- 1267US6852430B2Magnetic thin film media with a pre-seed layer of CrTiHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Feb 8, 2005·5 cites·9 claims
- 1367US5543983AServo controlled lubricant thickness for near magnetic recordingIBM·Filed 1994·Granted Aug 6, 1996·13 cites·35 claims
- 1463US7416680B2Self-cleaning colloidal slurry composition and process for finishing a surface of a substrateIBM·Filed 2001·Granted Aug 26, 2008·5 cites·3 claims
- 1561US5871810APlating on nonmetallic disksIBM·Filed 1995·Granted Feb 16, 1999·13 cites·10 claims
- 1657US6183828B1Plating on nonmetallic disksIBM·Filed 1998·Granted Feb 6, 2001·10 cites·15 claims
- 1755US7390423B2Self-cleaning colloidal slurry composition and process for finishing a surface of a substrateIBM·Filed 2004·Granted Jun 24, 2008·2 cites·11 claims
- 1853US6860795B2Edge finishing process for glass or ceramic disks used in disk drive data storage devicesHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Mar 1, 2005·5 cites·19 claims
- 1950US2005127318A1Self-cleaning colloidal slurry composition and process for finishing a surface of a substrateIBM·Filed 2005·Application pending·0 cites
- 2050US2025362261A1Reversible functionalization of nanopores using an adhesion layerUNIV OF RHODE ISLAND BOARD OF TRUSTEES·Filed 2025·Application pending·0 cites
- 2146US2005031909A1Magnetic thin film media with a pre-seed layer of CrTiFiled 2004·Application pending·0 cites
- 2243US7556972B2Detection and characterization of SiCOH-based dielectric materials during device fabricationIBM·Filed 2007·Granted Jul 7, 2009·0 cites·8 claims
- 2341US6803119B2Oriented magnetic recording media on a nonmetallic substrateHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Oct 12, 2004·0 cites·1 claims
- 2441US6767584B2Disk substrate with monosized microbumpsIBM·Filed 2002·Granted Jul 27, 2004·0 cites·48 claims
- 2537US2007190788A1Wafer removing force reduction on cmp toolBALACHANDRAN MANOJ·Filed 2006·Application pending·0 cites
- 2636US2003077983A1Cleaning polish etch composition and process for a superfinished surface of a substrateIBM·Filed 2001·Application pending·0 cites
- 2729US6801396B1Substrate independent superpolishing process and slurryHITACHI GLOBAL STORAGE TECH·Filed 1997·Granted Oct 5, 2004·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →