Inventor

ZHANG JIONGYAN

CN2 patents

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

WU JIANGWEI

1 patent

US9109600B2Aug 18, 2015

Two-stage medium-pressure screw-type air compressor set

WU JIANGWEI2 citations47

BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD

1 patent

US12262091B2Mar 25, 2025

Video playing method and apparatus, and device and storage medium

BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD0 citations41