Growing community of inventors

Houston, TX, United States of America

Gerard Johnson

Average Co-Inventor Count = 7.00

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 = 10

Gerard JohnsonYouhe Zhang (3 patents)Gerard JohnsonMichael George Azar (3 patents)Gerard JohnsonXiaoge Gan (3 patents)Gerard JohnsonHuimin Song (3 patents)Gerard JohnsonVenkatesh Karuppiah (3 patents)Gerard JohnsonAnjie Dong (3 patents)Gerard JohnsonGerard Johnson (3 patents)Youhe ZhangYouhe Zhang (114 patents)Michael George AzarMichael George Azar (62 patents)Xiaoge GanXiaoge Gan (26 patents)Huimin SongHuimin Song (23 patents)Venkatesh KaruppiahVenkatesh Karuppiah (11 patents)Anjie DongAnjie Dong (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schlumberger Technology Corporation (3 from 10,200 patents)


3 patents:

1. 12139969 - Cutting elements having non-planar surfaces and tools incorporating the same

2. 11795764 - Cutting elements having non-planar surfaces and tools incorporating the same

3. 11098532 - Cutting elements having non-planar surfaces and tools incorporating the same

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as of
1/17/2026
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