Inventor
UWAI KIYOSHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “UWAI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
6 patentsUS10253397B2Apr 9, 2019
Pearlitic rail and method for manufacturing pearlitic rail
JFE STEEL CORP8 citations81
US10125416B2Nov 13, 2018
Steel for nitrocarburizing and nitrocarburized component, and methods for producing said steel for nitrocarburizing and said nitrocarburized component
JFE STEEL CORP2 citations71
US10774534B2Sep 15, 2020
Deformed reinforcing bar
JFE STEEL CORP0 citations51
US10041160B2Aug 7, 2018
Steel for spring, and method for producing spring
JFE STEEL CORP0 citations45
US9732395B2Aug 15, 2017
Ingot for bearing and production process
JFE STEEL CORP0 citations39
US10618101B2Apr 14, 2020
Mechanical structural component and method for manufacturing same
JFE STEEL CORP0 citations38
HIRAI YASUMASA
2 patentsUS8894779B2Nov 25, 2014
Bearing steel being excellent both in post spheroidizing-annealing workability and in post quenching-tempering hydrogen fatigue resistance property
HIRAI YASUMASA2 citations54
US9034120B2May 19, 2015
Bearing steel being excellent both in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering
HIRAI YASUMASA0 citations44