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Tianjin, China

Long Ma

Average Co-Inventor Count = 19.01

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 = 0

Long Ma ↔ Baojiang Sun (1 patent)Long Ma ↔ Zhiyuan Wang (1 patent)Long Ma ↔ Gang Liu (1 patent)Long Ma ↔ Jinshan Ma (1 patent)Long Ma ↔ Haichao Xu (1 patent)Long Ma ↔ Jiacui Luan (1 patent)Long Ma ↔ Xiantao Meng (1 patent)Long Ma ↔ Guodong Chen (1 patent)Long Ma ↔ Xing Wang (1 patent)Long Ma ↔ Qiang Huang (1 patent)Long Ma ↔ Zisen Yang (1 patent)Long Ma ↔ Fengliang Xi (1 patent)Long Ma ↔ Yuanlin Zhao (1 patent)Long Ma ↔ Liming Wei (1 patent)Long Ma ↔ Hongyin Wei (1 patent)Long Ma ↔ Jintao Qi (1 patent)Long Ma ↔ Lei Chen (1 patent)Long Ma ↔ Menglei Ma (1 patent)Long MaLong Ma (1 patent)Baojiang SunBaojiang Sun (25 patents)Zhiyuan WangZhiyuan Wang (3 patents)Gang LiuGang Liu (2 patents)Jinshan MaJinshan Ma (1 patent)Haichao XuHaichao Xu (1 patent)Jiacui LuanJiacui Luan (1 patent)Xiantao MengXiantao Meng (1 patent)Guodong ChenGuodong Chen (1 patent)Xing WangXing Wang (1 patent)Qiang HuangQiang Huang (1 patent)Zisen YangZisen Yang (1 patent)Fengliang XiFengliang Xi (1 patent)Yuanlin ZhaoYuanlin Zhao (1 patent)Liming WeiLiming Wei (1 patent)Hongyin WeiHongyin Wei (1 patent)Jintao QiJintao Qi (1 patent)Lei ChenLei Chen (1 patent)Menglei MaMenglei Ma (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. China National Petroleum Corporation (1 from 81 patents)

2. China University of Petroleum (1 from 25 patents)

3. Cnpc Bohai Driling Engineering Company Limited (1 from 1 patent)


1 patent:

1. 12000222 - Pressure compensation device with accumulator group for controlled pressure drilling

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