Inventor
OKITA YASUAKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OKITA YASUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
19 patentsUS9475147B2Oct 25, 2016
Method of resistance spot welding of high tensile strength steel sheet and welding joint manufactured by the method
JFE STEEL CORP9 citations84
US10641304B2May 5, 2020
Resistance spot welding method and weld joint
JFE STEEL CORP2 citations73
US9737955B2Aug 22, 2017
Welded joint manufactured by method of resistance spot welding
JFE STEEL CORP4 citations73
US10625365B2Apr 21, 2020
Resistance spot welding method
JFE STEEL CORP3 citations72
US10328518B2Jun 25, 2019
Resistance spot welding method
JFE STEEL CORP5 citations72
US10081074B2Sep 25, 2018
Resistance spot welding device and resistance spot welding method
JFE STEEL CORP4 citations72
US9895764B2Feb 20, 2018
Resistance spot welding system
JFE STEEL CORP3 citations72
US9821404B2Nov 21, 2017
Resistance spot welding method
JFE STEEL CORP2 citations72
US11427880B2Aug 30, 2022
High-strength galvanized steel sheet and method for manufacturing same
JFE STEEL CORP2 citations71
US11408059B2Aug 9, 2022
High-strength galvanized steel sheet and method for manufacturing same
JFE STEEL CORP2 citations71
US12208462B2Jan 28, 2025
Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process
JFE STEEL CORP0 citations62
US11168378B2Nov 9, 2021
Hot-pressed member and manufacturing method therefor
JFE STEEL CORP0 citations62
US12447549B2Oct 21, 2025
Resistance spot welding method and weld member production method
JFE STEEL CORP0 citations51
US12440917B2Oct 14, 2025
Resistance spot welding method and weld member production method
JFE STEEL CORP0 citations51
US12358067B2Jul 15, 2025
Resistance spot welding method and weld member production method
JFE STEEL CORP0 citations51
US11504796B2Nov 22, 2022
Resistance spot welding method
JFE STEEL CORP0 citations51
US12544851B2Feb 10, 2026
Resistance spot welding method and method for manufacturing resistance spot welded joint
JFE STEEL CORP0 citations49
US10722972B2Jul 28, 2020
Resistance spot welding device
JFE STEEL CORP0 citations41
US9895765B2Feb 20, 2018
Resistance spot welding method
JFE STEEL CORP0 citations41