Inventor

LI GUOBAO

CN17 patents

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

LI GUOBAO

BAOSHAN IRON & STEEL

600 MPa grade non-oriented electrical steel sheet and manufacturing method thereof

Cu-containing non-oriented electrical steel sheet and manufacturing method therefor

Manufacturing method for high silicon grain oriented electrical steel sheet

Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor

Silicon steel product with low iron loss for low-noise transformer, and manufacturing method thereof

Induction heating system and method for silicon steel core with self-adhesive coating

Grain-oriented silicon steel with low core loss and manufacturing method therefore

Apparatus and method for rapidly heating cold-rolled strip steel

Manufacturing method of common grain-oriented silicon steel with high magnetic induction

Method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steel

Oriented silicon steel and method for manufacturing same

High magnetic induction oriented silicon steel and manufacturing method thereof

LI GUOBAO

Method for manufacturing grain-oriented silicon steel with single cold rolling

HUANG WANGYA

Fast-speed laser scoring method

WU MEIHONG

Method for detecting electromagnetic property of oriented silicon steel

YANG GUOHUA

Manufacturing method of oriented SI steel with high electric-magnetic property

JI YAMING

Method for producing grain-oriented silicon steel containing copper