Inventor · disambiguated record
Hiroshi Tomiyasu
Also filed as: TOMIYASU HIROSHI
30 granted patents·3 pending applications·1,027 citations·filing 1982–2007
98Inventor score
Files withHOYA CORP11KONISHIROKU PHOTO IND4DORYOKURO KAKUNENRYO3HOYA MAGNETICS SINGAPORE PTE3MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3
Top patents by PatentIndex Score
33 records- 0198US7833641B2Magnetic diskWD MEDIA SINGAPORE PTE LTD·Filed 2007·Granted Nov 16, 2010·75 cites·3 claims
- 0298US7208236B2Magnetic recording medium with multi-portion carbon-based protection layer, and apparatus thereofHOYA MAGNETICS SINGAPORE PTE·Filed 2005·Granted Apr 24, 2007·75 cites·9 claims
- 0397US7420886B2Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording mediumHOYA CORP·Filed 2007·Granted Sep 2, 2008·70 cites·3 claims
- 0496US8257783B2Magnetic disk and method of manufacturing the sameSUZUKI KOTA·Filed 2007·Granted Sep 4, 2012·70 cites·4 claims
- 0596US7220500B1Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording mediumHOYA CORP·Filed 2000·Granted May 22, 2007·76 cites·21 claims
- 0696US6946191B2Magnetic recording mediumHOYA MAGNETICS SINGAPORE PTE·Filed 2003·Granted Sep 20, 2005·73 cites·11 claims
- 0796US6916558B2Magnetic disk using a glass substrateHOYA MAGNETICS SINGAPORE PTE·Filed 2004·Granted Jul 12, 2005·76 cites·4 claims
- 0896US6759138B2Antiferromagnetically coupled magnetic recording medium with dual-layered upper magnetic layerHOYA CORP·Filed 2002·Granted Jul 6, 2004·94 cites·12 claims
- 0993US6537648B1Substrate for an information recording medium, information recording medium using the substrate and method of producing the substrateHOYA CORP·Filed 2000·Granted Mar 25, 2003·42 cites·7 claims
- 1090US6670055B2Magnetic recording medium and manufacturing method thereforHOYA CORP·Filed 2001·Granted Dec 30, 2003·87 cites·9 claims
- 1186US5513056AMagnetic head sliderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 30, 1996·45 cites·10 claims
- 1283US6852010B2Substrate for an information recording medium, information recording medium using the substrate, and method of producing the substrateHOYA CORP·Filed 2003·Granted Feb 8, 2005·16 cites·66 claims
- 1380US6706427B2Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereofHOYA CORP·Filed 2000·Granted Mar 16, 2004·17 cites·19 claims
- 1478US4440029AImpact flow meterSANKYO DENGYO KK·Filed 1982·Granted Apr 3, 1984·29 cites·10 claims
- 1576US6790509B2Substrate for information recording medium, information recording medium, and method for controlling surface of substrate for information recording mediumHOYA CORP·Filed 2001·Granted Sep 14, 2004·11 cites·33 claims
- 1676US5184263ALoading method and drive unit for a floating magnetic head for loading the magnetic head while preventing contact between the magnetic head and a magnetic diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Feb 2, 1993·25 cites·5 claims
- 1772US4611763AMethod and apparatus for controlling a grinding millSANKYO DENGYO KK·Filed 1984·Granted Sep 16, 1986·21 cites·7 claims
- 1866US5966273AMagnetoresistive thin film headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 12, 1999·15 cites·9 claims
- 1963US5677101ALight-sensitive lithographic printing plate having a light sensitive layer comprising a clathrate compoundKONISHIROKU PHOTO IND·Filed 1995·Granted Oct 14, 1997·24 cites·3 claims
- 2061US5219700APhotosensitive composition containing 1,2-naphthoquinone-2-diazido-4-sulfonic acid ester, alkali-soluble resin, halomethyloxadiazole compound and a dyeMITSUBISHI CHEM IND·Filed 1992·Granted Jun 15, 1993·12 cites·8 claims
- 2160US5723260AUnsaturated group-containing urethane compound, photopolymerizable composition containing it, and photosensitive lithographic printing plateMITSUBISHI CHEM CORP·Filed 1996·Granted Mar 3, 1998·7 cites·9 claims
- 2259US4731316APhotosensitive compositionMITSUBISHI CHEM IND·Filed 1985·Granted Mar 15, 1988·13 cites·19 claims
- 2356US5238771ALithographic printing plate utilizing aluminum substrate with photosensitive layer containing o-naphthoquinonediazide sulfonic acid ester, alkali soluble resin and select additiveKONISHIROKU PHOTO IND·Filed 1992·Granted Aug 24, 1993·14 cites·5 claims
- 2452US5260167ALight-sensitive litho printing plate requiring no dampening waterKONISHIROKU PHOTO IND·Filed 1991·Granted Nov 9, 1993·11 cites·1 claims
- 2546US7220446B2Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereofHOYA CORP·Filed 2004·Granted May 22, 2007·0 cites·9 claims
- 2646US5500192AMethod of separating neptunium and plutoniumDORYOKURO KAKUNENRYO·Filed 1994·Granted Mar 19, 1996·6 cites·7 claims
- 2746US5225309ALight-sensitive litho printing plate with cured diazo primer layer, diazo resin/salt light-sensitive layer containing a coupler and silicone rubber overlayerKONISHIROKU PHOTO IND·Filed 1992·Granted Jul 6, 1993·8 cites·10 claims
- 2844US5182183APositive photosensitive planographic printing plates containing specific high-molecular weight compound and photosensitive ester of O-napthoquinonediazidosulfonic acid with polyhydroxybenzophenoneMITSUBISHI CHEM IND·Filed 1991·Granted Jan 26, 1993·7 cites·17 claims
- 2942US2001053444A1Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereofHOYA CORP·Filed 2001·Application pending·0 cites
- 3039US2003096140A1Magnetic recording mediumHOYA CORP·Filed 2002·Application pending·0 cites
- 3137US5585043AMethod of coextracting neptunium and plutoniumDORYOKURO KAKUNENRYO·Filed 1994·Granted Dec 17, 1996·8 cites·13 claims
- 3233US2006185244A1Novel production method of gaseous fuelsPARK KI C·Filed 2004·Application pending·0 cites
- 3326US5678167AMethod for dissolving nuclear fuelsDORYOKURO KAKUNENRYO·Filed 1995·Granted Oct 14, 1997·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →