Growing community of inventors

Tianjin, China

Zenghua Ma

Average Co-Inventor Count = 8.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 2

Zenghua Ma ↔ Haitao Liu (1 patent)Zenghua Ma ↔ Shaohua Wang (1 patent)Zenghua Ma ↔ Yongtao Sun (1 patent)Zenghua Ma ↔ Huajun Liu (1 patent)Zenghua Ma ↔ Tong Wang (1 patent)Zenghua Ma ↔ Tao Lin (1 patent)Zenghua Ma ↔ Yubao Sun (1 patent)Zenghua MaZenghua Ma (1 patent)Haitao LiuHaitao Liu (4 patents)Shaohua WangShaohua Wang (2 patents)Yongtao SunYongtao Sun (1 patent)Huajun LiuHuajun Liu (1 patent)Tong WangTong Wang (1 patent)Tao LinTao Lin (1 patent)Yubao SunYubao Sun (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. China National Offshore Oil Corporation (1 from 29 patents)

2. China Oilfield Services, Limited (1 from 23 patents)


1 patent:

1. 9404189 - High temperature carbon dioxide corrosion inhibitor

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/23/2026
Loading…