Growing community of inventors

Shanghai, China

Wanchai Ratanasirigulchia

Average Co-Inventor Count = 4.00

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 = 6

Wanchai Ratanasirigulchia ↔ Wenbo Yang (1 patent)Wanchai Ratanasirigulchia ↔ Robert A Parrott (1 patent)Wanchai Ratanasirigulchia ↔ Wenbo Yang (1 patent)Wanchai Ratanasirigulchia ↔ Cynthia L Hickson (1 patent)Wanchai RatanasirigulchiaWanchai Ratanasirigulchia (1 patent)Wenbo YangWenbo Yang (33 patents)Robert A ParrottRobert A Parrott (28 patents)Wenbo YangWenbo Yang (1 patent)Cynthia L HicksonCynthia L Hickson (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schlumberger Technology Corporation (1 from 10,180 patents)

2. Schlumberger Canada Limited (16 patents)


1 patent:

1. 7159657 - Shaped charge loading tube for perforating gun

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1/5/2026
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