P

Inventor

XU ZITAO

US13 patents
⚠️ This page may combine multiple inventors who share the name “XU ZITAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LANDMARK GRAPHICS CORP

9 patents

XU ZITAO

2 patents

HALLIBURTON ENERGY SERVICES INC

1 patent

SHI GENBAO

1 patent