Inventor · disambiguated record
Kunikazu Tomita
Also filed as: TOMITA KUNIKAZU
20 granted patents·7 pending applications·183 citations·filing 1989–2020
94Inventor score
Files withNIPPON KOKAN KK13JFE STEEL CORP5JFE BARS & SHAPES CORP3IWAMOTO TAKASHI1JTEKT CORP A CORP OF JAPAN1
Top patents by PatentIndex Score
27 records- 0194US6440584B1Hot-dip galvanized steel sheet and method for producing the sameNIPPON KOKAN KK·Filed 2001·Granted Aug 27, 2002·44 cites·18 claims
- 0291US6666932B2High strength hot rolled steel sheetNIPPON KOKAN KK·Filed 2002·Granted Dec 23, 2003·26 cites·31 claims
- 0384US5009726AMethod of making non-oriented silicon steel sheets having excellent magnetic propertiesNIPPON KOKAN KK·Filed 1989·Granted Apr 23, 1991·21 cites·3 claims
- 0482US10125416B2Steel for nitrocarburizing and nitrocarburized component, and methods for producing said steel for nitrocarburizing and said nitrocarburized componentJFE STEEL CORP·Filed 2013·Granted Nov 13, 2018·2 cites·7 claims
- 0577US8118953B2Method for producing steel part having long rolling contact fatigue lifeIWAMOTO TAKASHI·Filed 2010·Granted Feb 21, 2012·4 cites·6 claims
- 0675US6416594B1Heat shrink band steel sheet and manufacturing method thereofNIPPON KOKAN KK·Filed 2000·Granted Jul 9, 2002·9 cites·8 claims
- 0775US5968661ASteel sheet for heat-shrink bandSONY CORP·Filed 1997·Granted Oct 19, 1999·34 cites·9 claims
- 0873US11959177B2Steel for nitrocarburizing and nitrocarburized component, and methods of producing sameJFE STEEL CORP·Filed 2020·Granted Apr 16, 2024·0 cites·3 claims
- 0964US2018105919A1Steel for nitrocarburizing and nitrocarburized component, and methods of producing sameJFE STEEL CORP·Filed 2016·Application pending·0 cites
- 1062US2017021691A1Steel for vehicle suspension spring part, vehicle suspension spring part, and method of fabricating the sameNHK SPRING CO LTD·Filed 2016·Application pending·0 cites
- 1157US11702716B2Case hardening steelJFE STEEL CORP·Filed 2016·Granted Jul 18, 2023·0 cites·2 claims
- 1257US11174543B2Case hardening steel, method of producing case hardening steel, and method of producing gear partJFE STEEL CORP·Filed 2017·Granted Nov 16, 2021·0 cites·8 claims
- 1357US2014060709A1Steel for vehicle suspension spring part, vehicle suspension spring part, and method of fabricating the sameJFE BARS & SHAPES CORP·Filed 2013·Application pending·0 cites
- 1456US8691141B2Low carbon resulfurized free cutting steelMURAKAMI TOSHIYUKI·Filed 2009·Granted Apr 8, 2014·0 cites·14 claims
- 1555US5061321APickling method for electrical steel bandsNIPPON KOKAN KK·Filed 1989·Granted Oct 29, 1991·9 cites·2 claims
- 1653US5169457AMethod of making non-oriented electrical steel sheetsNIPPON KOKAN KK·Filed 1989·Granted Dec 8, 1992·7 cites·1 claims
- 1750US5062906AMethod of making non-oriented electrical steel sheetsNIPPON KOKAN KK·Filed 1989·Granted Nov 5, 1991·6 cites·9 claims
- 1849US5074930AMethod of making non-oriented electrical steel sheetsNIPPON KOKAN KK·Filed 1989·Granted Dec 24, 1991·6 cites·1 claims
- 1946US2004074573A1High strength hot rolled steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2003·Application pending·0 cites
- 2046US2015020926A1Steel for nitrocarburizing and nitrocarburized component using the steel as materialJFE BARS & SHAPES CORP·Filed 2013·Application pending·0 cites
- 2145US5116436AMethod of making non-oriented electrical steel sheets having excellent magnetic propertiesNIPPON KOKAN KK·Filed 1989·Granted May 26, 1992·5 cites·2 claims
- 2245US2007199632A1Steel part having long rolling contact fatigue life and method for producing the sameJTEKT CORP A CORP OF JAPAN·Filed 2007·Application pending·0 cites
- 2342US5164024AMethod of making non-oriented electrical steel sheets having excellent magnetic propertiesNIPPON KOKAN KK·Filed 1989·Granted Nov 17, 1992·4 cites·2 claims
- 2442US5108522AMethod of making non-oriented electrical steel sheets having excellent magnetic properties under low magnetic fieldNIPPON KOKAN KK·Filed 1989·Granted Apr 28, 1992·5 cites·1 claims
- 2540US8206521B2High-strength stabilizer steel for vehicles having excellent corrosion resistance and low-temperature toughness, method of producing the same, and stabilizerKIKUCHI KATSUHIKO·Filed 2011·Granted Jun 26, 2012·0 cites·3 claims
- 2637US2017130288A1Stabilizer steel having high strength and excellent corrosion resistance, vehicle stabilizer employing same, and method for manufacturing sameJFE BARS & SHAPES CORP·Filed 2015·Application pending·0 cites
- 2730US6554917B1Steel sheet for heat shrink band effective for preventing color driftNIPPON KOKAN KK·Filed 1999·Granted Apr 29, 2003·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →