Inventor · disambiguated record
Toshikazu Nishiyama
Also filed as: NISHIYAMA TOSHIKAZU
13 granted patents·268 citations·filing 1982–2000
93Inventor score
Top patents by PatentIndex Score
13 records- 0191US4423856AControlled cooling apparatus for hot rolled wire rodsKOBE STEEL LTD·Filed 1982·Granted Jan 3, 1984·39 cites·2 claims
- 0284US6448863B1Differential transmission cable and joint with specific distancesHITACHI METALS LTD·Filed 2000·Granted Sep 10, 2002·38 cites·24 claims
- 0379US4918555AMagnetic head containing an Fe-base soft magnetic alloy layerHITACHI METALS LTD·Filed 1988·Granted Apr 17, 1990·23 cites·20 claims
- 0477US5591276AMagnetic alloy with ultrafine crystal grains and method of producing sameHITACHI METALS LTD·Filed 1993·Granted Jan 7, 1997·25 cites·25 claims
- 0577US5008767AFlying-type composite magnetic head having magnetic core with improved flatness of air-bearing surfaceHITACHI METALS LTD·Filed 1989·Granted Apr 16, 1991·22 cites·24 claims
- 0675US6169826B1Optical switchHITACHI METALS LTD·Filed 1999·Granted Jan 2, 2001·53 cites·22 claims
- 0761US5966918AYarn false twisting deviceMURATA MACHINERY LTD·Filed 1998·Granted Oct 19, 1999·14 cites·9 claims
- 0861US4816949AMagnetic head containing amorphous alloy and crystallizable glassHITACHI LTD·Filed 1987·Granted Mar 28, 1989·20 cites·8 claims
- 0952US5290738AMaterial for nonmagnetic oxide substrate and magnetic headHITACHI METALS LTD·Filed 1991·Granted Mar 1, 1994·8 cites·3 claims
- 1051US5151137ASoft magnetic alloy with ultrafine crystal grains and method of producing sameHITACHI METALS LTD·Filed 1990·Granted Sep 29, 1992·11 cites·23 claims
- 1143US4805059AMagnetic head having MnO/NiO-based nonmagnetic substrateHITACHI METALS LTD·Filed 1986·Granted Feb 14, 1989·8 cites·17 claims
- 1239US5010431AFlying-type composite magnetic headHITACHI METALS LTD·Filed 1989·Granted Apr 23, 1991·4 cites·23 claims
- 1333US5057374AMno/nio-based nonmagnetic substrate materialHITACHI METALS LTD·Filed 1988·Granted Oct 15, 1991·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →