Growing community of inventors

Birmingham, United Kingdom

Greg O'Callahan

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 = 0

Greg O'Callahan ↔ Edward A Jackson (1 patent)Greg O'Callahan ↔ Andreas Frommhold (1 patent)Greg O'Callahan ↔ John L Roth (1 patent)Greg O'Callahan ↔ Alexandra McClelland (1 patent)Greg O'Callahan ↔ Tom Lada (1 patent)Greg O'Callahan ↔ Alex P G Robinson (1 patent)Greg O'Callahan ↔ Carmen Popescu (1 patent)Greg O'CallahanGreg O'Callahan (1 patent)Edward A JacksonEdward A Jackson (21 patents)Andreas FrommholdAndreas Frommhold (11 patents)John L RothJohn L Roth (8 patents)Alexandra McClellandAlexandra McClelland (5 patents)Tom LadaTom Lada (2 patents)Alex P G RobinsonAlex P G Robinson (2 patents)Carmen PopescuCarmen Popescu (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,843 patents)


1 patent:

1. 11681227 - Enhanced EUV photoresist materials, formulations and processes

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12/27/2025
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