P

Inventor

CHEN QINGYUAN

CN32 patents
⚠️ This page may combine multiple inventors who share the name “CHEN QINGYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YUEQING ORIGINALITY PHOTOGRAPHY EQUIPMENT CO LTD

10 patents

APPLETON PAPER INC

6 patents

CHEN QINGYUAN

3 patents

YUEQING CHUANGYI PHOTOGRAPHY EQUIPMENT CO LTD

3 patents

MAPLEBEAR INC

3 patents

LAMXON TECH BUILDING MATERIALS CO LTD

3 patents

WENZHOU JIEBAO TECH CO LTD

2 patents

CONS PAPERS INC

1 patent

Tianfu Yongxing Laboratory

1 patent