Assignee
YOKOI TATSUO
JP·7 granted patents·1 pending application·12 citations·filing 2008–2012
Top patents by PatentIndex Score
8 records- 0185US9752217B2Hot-rolled steel sheet and method of producing the sameYOKOI TATSUO·Filed 2012·Granted Sep 5, 2017·3 cites·20 claims
- 0283US9453269B2Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereofYOKOI TATSUO·Filed 2012·Granted Sep 27, 2016·2 cites·7 claims
- 0381US9062356B2High strength hot rolled steel plate for spiral line pipe superior in low temperature toughness and method of production of sameYOKOI TATSUO·Filed 2008·Granted Jun 23, 2015·4 cites·8 claims
- 0473US8562762B2High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the sameYOKOI TATSUO·Filed 2008·Granted Oct 22, 2013·2 cites·7 claims
- 0572US9200342B2Hot-rolled steel sheet and manufacturing method thereofYOKOI TATSUO·Filed 2011·Granted Dec 1, 2015·1 cites·5 claims
- 0661US2011079328A1High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of sameYOKOI TATSUO·Filed 2009·Application pending·0 cites
- 0760US9587287B2Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereofYOKOI TATSUO·Filed 2012·Granted Mar 7, 2017·0 cites·6 claims
- 0849US8157933B2High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the sameYOKOI TATSUO·Filed 2008·Granted Apr 17, 2012·0 cites·8 claims
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