Inventor · disambiguated record
Hisao Kawai
Also filed as: KAWAI HISAO
13 granted patents·2 pending applications·284 citations·filing 1983–2008
93Inventor score
Top patents by PatentIndex Score
15 records- 0194US7169487B2Magnetic recording mediumHOYA MAGNETICS SINGAPORE PTE·Filed 2002·Granted Jan 30, 2007·70 cites·22 claims
- 0287US5900324AMagnetic recording media, methods for producing the same and magnetic recordersHOYA CORP·Filed 1995·Granted May 4, 1999·50 cites·46 claims
- 0382US5640089AMethod and apparatus for surface roughness detection - using a magnetoresistive elementHOYA CORP·Filed 1995·Granted Jun 17, 1997·38 cites·14 claims
- 0478US5029317AMagnetic recording medium capable of recording information at a high recording densityHOYA CORP·Filed 1990·Granted Jul 2, 1991·24 cites·15 claims
- 0574US6428396B2Method of producing a substrate for an information recording medium and method of producing an information recording mediumHOYA CORP·Filed 2001·Granted Aug 6, 2002·10 cites·14 claims
- 0672US4590128AThin film EL elementHOYA CORP·Filed 1985·Granted May 20, 1986·26 cites·11 claims
- 0762US5087482AMethod of manufacturing magnetic recording medium capable of recording information at a high recording densityHOYA CORP·Filed 1991·Granted Feb 11, 1992·12 cites·17 claims
- 0860US5954927AMethod of manufacturing magnetic recording mediumHOYA CORP·Filed 1997·Granted Sep 21, 1999·12 cites·1 claims
- 0956US4568791ASolar cell comprising an undulated transparent conductive layerHOYA CORP·Filed 1983·Granted Feb 4, 1986·14 cites·2 claims
- 1050US4634639AElectroluminescent panel having a light absorption layer of germanium oxideHOYA CORP·Filed 1985·Granted Jan 6, 1987·11 cites·8 claims
- 1147US5766727AMagnetic recording medium and method for manufacturing the sameHOYA CORP·Filed 1996·Granted Jun 16, 1998·11 cites·14 claims
- 1246US5746893AMethod of manufacturing magnetic recording mediumHOYA CORP·Filed 1995·Granted May 5, 1998·6 cites·19 claims
- 1345US7081308B2Magnetic recording mediumHOYA MAGNETICS SINGAPORE PTE·Filed 2004·Granted Jul 25, 2006·0 cites·4 claims
- 1445US2009141357A1Plastic lens comprising multilayer antireflective film and method for manufacturing sameHOYA CORP·Filed 2008·Application pending·0 cites
- 1542US2003108774A1Magnetic recording mediumHOYA CORP·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →