Inventor

CAO YONGGANG

CN3 patents

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

BOE TECHNOLOGY GROUP CO LTD

2 patents

US12538077B2Jan 27, 2026

Ultrasonic transducer, fabrication method thereof and electronic device

BOE TECHNOLOGY GROUP CO LTD0 citations49

US12407989B2Sep 2, 2025

Display panel and display apparatus

BOE TECHNOLOGY GROUP CO LTD0 citations44

UNIV CHINA PETROLEUM

1 patent

US11149361B1Oct 19, 2021

Preparation methods of high modulus carbon fiber (HMCF) and precursor (mesophase pitch (MP)) thereof

UNIV CHINA PETROLEUM2 citations64