Inventor

JIA JIHAI

CN3 patents

⚠️ This page may combine multiple inventors who share the name “JIA JIHAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PANGANG GROUP PANZHIHUA IRON & STEEL RES INST CO L

1 patent

US9394581B2Jul 19, 2016

Heat treatment method for bainitic turnout rail

PANGANG GROUP PANZHIHUA IRON & STEEL RES INST CO L2 citations52

PANGANG GROUP PANZHIHUA IRON & STEEL RES INST CO LTD

1 patent

US9777351B2Oct 3, 2017

Method for heat treatment of hypereutectoid steel rail

PANGANG GROUP PANZHIHUA IRON & STEEL RES INST CO LTD1 citations45

PANGANG GROUP PANZHIHUA IRON & STEEL RES INSTITUTE CO LTD

1 patent

US10214799B2Feb 26, 2019

Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method

PANGANG GROUP PANZHIHUA IRON & STEEL RES INSTITUTE CO LTD0 citations36