P

Inventor

ZHANG ZHIYI

CN35 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG ZHIYI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAT RES COUNCIL CANADA

8 patents

ECOLAB USA INC

5 patents

CA NAT RESEARCH COUNCIL

4 patents

BAKER HUGHES INC

3 patents

SHELL OIL CO

2 patents

(unassigned)

2 patents

UNIV CITY HONG KONG

2 patents

SCHLUMBERGER TECHNOLOGY CORP

2 patents

NALCO CO

1 patent

CASTRO DAVID J

1 patent

NETEASE HANGZHOU NETWORK CO LTD

1 patent

Schlumberger Tech Corporation

1 patent

BANKS RODNEY H

1 patent

CRRC QINGDAO SIFANG CO LTD

1 patent

NANJING UNIVERSITY OF TECHNOLOGY

1 patent