Inventor · disambiguated record
Sadayuki Nakamura
Also filed as: NAKAMURA SADAYUKI
27 granted patents·5 pending applications·364 citations·filing 1978–2015
96Inventor score
Top patents by PatentIndex Score
32 records- 0194US4434006AFree cutting steel containing controlled inclusions and the method of making the sameDAIDO STEEL CO LTD·Filed 1980·Granted Feb 28, 1984·58 cites·13 claims
- 0288US4279646AFree cutting steel containing sulfide inclusion particles with controlled aspect, size and distributionDAIDO STEEL CO LTD·Filed 1979·Granted Jul 21, 1981·30 cites·9 claims
- 0386US5302214AHeat resisting ferritic stainless steel excellent in low temperature toughness, weldability and heat resistanceNISSHIN STEEL CO LTD·Filed 1992·Granted Apr 12, 1994·38 cites·10 claims
- 0485US6582532B1Steel for large bearing and parts for large bearingKOYO SEIKO CO·Filed 2000·Granted Jun 24, 2003·22 cites·8 claims
- 0585US4810465AFree-cutting Ti alloyDAIDO STEEL CO LTD·Filed 1987·Granted Mar 7, 1989·34 cites·3 claims
- 0680US9932650B2Ferritic stainless steel material for brazing and heat exchanger memberOKU MANABU·Filed 2010·Granted Apr 3, 2018·3 cites·9 claims
- 0779US6569267B1High bearing pressure-resistant memberNISSAN MOTOR·Filed 2000·Granted May 27, 2003·13 cites·19 claims
- 0875US5595613ASteel for gear, gear superior in strength of tooth surface and method for producing sameNISSAN MOTOR·Filed 1995·Granted Jan 21, 1997·45 cites·9 claims
- 0975US4806304AFree cutting steelDAIDO STEEL CO LTD·Filed 1985·Granted Feb 21, 1989·23 cites·3 claims
- 1072US5861068AMethod of using stainless steel having anti-microbial propertyNISSHIN STEEL CO LTD·Filed 1996·Granted Jan 19, 1999·17 cites·20 claims
- 1172US5279688ASteel shaft material which is capable of being directly cut and induction hardened and a method for manufacturing the sameDAIDO STEEL CO LTD·Filed 1992·Granted Jan 18, 1994·23 cites·19 claims
- 1271US10125404B2Method for producing high elastic limit nonmagnetic steel material using an austenitic stainless steel sheetNISSHIN STEEL CO LTD·Filed 2014·Granted Nov 13, 2018·1 cites·10 claims
- 1370US8206091B2Exhaust guide member of nozzle vane-type turbochargerNAKAMURA SADAYUKI·Filed 2008·Granted Jun 26, 2012·2 cites·16 claims
- 1463US6808571B2Heat resistant carburized rolling bearing component and manufacturing method thereofNTN TOYO BEARING CO LTD·Filed 2001·Granted Oct 26, 2004·8 cites·2 claims
- 1563US6203630B1Steel for induction quenching and machinery structural parts using the sameDAIDO STEEL CO LTD·Filed 2000·Granted Mar 20, 2001·4 cites·4 claims
- 1663US4849166AHigh strength stainless steelNISSHIN STEEL CO LTD·Filed 1988·Granted Jul 18, 1989·14 cites·3 claims
- 1750US2012111529A1Ferritic stainless steel for egr cooler and egr coolerOKU MANABU·Filed 2009·Application pending·0 cites
- 1850US2009120536A1Ferritic Stainless steel material for automobile exhaust gas passage componentsTOMITA TAKEO·Filed 2008·Application pending·0 cites
- 1946US9921130B2Fatigue testing deviceNISSHIN STEEL CO LTD·Filed 2014·Granted Mar 20, 2018·0 cites·6 claims
- 2045US4219356AMachinable ferritic stainless steelsDAIDO STEEL CO LTD·Filed 1978·Granted Aug 26, 1980·5 cites·1 claims
- 2145US2010200101A1Al-plated steel sheet for exhaust gas passageway members of motorcycles and the membersHORI YOSHIAKI·Filed 2008·Application pending·0 cites
- 2245US2010203357A1Al-plated steel sheet for exhaust gas passageway members of motorcycles excellent in high-temperature strength and the membersHORI YOSHIAKI·Filed 2008·Application pending·0 cites
- 2344US4326886ASteel for cold forging having good machinability and the method of making the sameDAIDO STEEL CO LTD·Filed 1980·Granted Apr 27, 1982·6 cites·1 claims
- 2444US2013139493A1Heat transfer element for manifoldIMAKAWA KAZUNARI·Filed 2011·Application pending·0 cites
- 2542US10371261B2Martensitic stainless-steel sheet and metal gasketNIPPON STEEL NISSHIN CO LTD·Filed 2015·Granted Aug 6, 2019·0 cites·7 claims
- 2641US5733388ASteel composition for bearings and method of producing the sameDAIDO STEEL CO LTD·Filed 1996·Granted Mar 31, 1998·10 cites·7 claims
- 2740US10060003B2Austenitic stainless steel sheet and metal gasketNISSHIN STEEL CO LTD·Filed 2015·Granted Aug 28, 2018·0 cites·6 claims
- 2836US5102479AHigh strength non-heat refining free cutting steelsDAIDO STEEL CO LTD·Filed 1991·Granted Apr 7, 1992·4 cites·4 claims
- 2934US7670444B2Non-heat treated steel for hot forging with easy fracture splittingDAIDO STEEL CO LTD·Filed 2002·Granted Mar 2, 2010·0 cites·12 claims
- 3031US6316117B1Stainless steel sheet having Cu-enriched grains dispersed in its matrix and/or a Cu-condensed layerNISSHIN STEEL CO LTD·Filed 2000·Granted Nov 13, 2001·1 cites·7 claims
- 3131US4847168ASlicing saw bladeNISSHIN STEEL CO LTD·Filed 1987·Granted Jul 11, 1989·2 cites·2 claims
- 3231US4270950AMachinable ferrite stainless steelsDAIDO STEEL CO LTD·Filed 1980·Granted Jun 2, 1981·1 cites·1 claims
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