Inventor

CHANG ZHIYUAN

CN7 patents

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

IRONOVATION MATERIALS TECH CO LTD

3 patents

US11248276B2Feb 15, 2022

Hot stamped component, precoated steel sheet used for hot stamping and hot stamping process

IRONOVATION MATERIALS TECH CO LTD6 citations80

US11667988B2Jun 6, 2023

Hot stamped component, precoated steel sheet used for hot stamping and hot stamping process

IRONOVATION MATERIALS TECH CO LTD0 citations56

US11578382B2Feb 14, 2023

Hot stamped component, precoated steel sheet used for hot stamping and hot stamping process

IRONOVATION MATERIALS TECH CO LTD0 citations56

CALB CO LTD

2 patents

US11502365B2Nov 15, 2022

Pouch battery module

CALB CO LTD0 citations56

US12126049B2Oct 22, 2024

Battery module

CALB CO LTD0 citations40

UNIV NORTHEASTERN

1 patent

US11377703B2Jul 5, 2022

Steel material for hot stamping, hot stamping process and hot stamped component

UNIV NORTHEASTERN0 citations61

CHANG SHAN

1 patent

US11944660B1Apr 2, 2024

Topical traditional Chinese medicine (TCM) composition and topical preparation for cervical disease, and preparation methods thereof

CHANG SHAN0 citations34