Inventor · disambiguated record
Katsuhiko Koi
Also filed as: KOI KATSUHIKO
7 granted patents·163 citations·filing 2000–2011
88Inventor score
Top patents by PatentIndex Score
7 records- 0197US6853520B2Magnetoresistance effect elementTOSHIBA KK·Filed 2001·Granted Feb 8, 2005·67 cites·3 claims
- 0290US8259419B2Magnetoresistance effect element with a layer containing an oxide as a principal component and containing a magnetic transition metal element which does not bond to oxygenFUKUZAWA HIDEAKI·Filed 2011·Granted Sep 4, 2012·6 cites·10 claims
- 0388US6754053B2Magnetoresistance effect element, magnetic head and magnetic reproducing apparatusTOSHIBA KK·Filed 2002·Granted Jun 22, 2004·34 cites·12 claims
- 0482US7476414B2Magnetoresistance effect elementTOSHIBA KK·Filed 2004·Granted Jan 13, 2009·14 cites·12 claims
- 0579US6816347B2Magnetoresistive element and magnetic recording apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 2000·Granted Nov 9, 2004·29 cites·22 claims
- 0674US8049999B2Magnetoresistance effect element with a layer containing an oxide as a principal component and containing a magnetic transition metal element which does not bond to oxygenTOSHIBA KK·Filed 2008·Granted Nov 1, 2011·4 cites·10 claims
- 0771US7130163B2Magnetoresistance effect elementTOSHIBA KK·Filed 2004·Granted Oct 31, 2006·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →