Growing community of inventors

Rio de Janeiro, Brazil

Walter Margulis

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 26

Walter Margulis ↔ Fredrik Laurell (7 patents)Walter Margulis ↔ Anne Ingrid Lidgard (1 patent)Walter Margulis ↔ Maria C Carvalho (1 patent)Walter Margulis ↔ Sanghamitra Sengupta (0 patent)Walter Margulis ↔ Harish Achar Vasant (0 patent)Walter Margulis ↔ Helen Parker (0 patent)Walter Margulis ↔ Sebastian Felipe Etcheverry Cabrera (0 patent)Walter MargulisWalter Margulis (2 patents)Fredrik LaurellFredrik Laurell (7 patents)Anne Ingrid LidgardAnne Ingrid Lidgard (2 patents)Maria C CarvalhoMaria C Carvalho (1 patent)Sanghamitra SenguptaSanghamitra Sengupta (0 patent)Harish Achar VasantHarish Achar Vasant (0 patent)Helen ParkerHelen Parker (0 patent)Sebastian Felipe Etcheverry CabreraSebastian Felipe Etcheverry Cabrera (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Telefonaktiebolaget Lm Ericsson (publ) (1 from 25,688 patents)

2. Telecommunicacoes Brasileiras S/a (1 from 1 patent)

3. Rise Research Institutes of Sweden Ab (3 patents)


2 patents:

1. 5642453 - Enhancing the nonlinearity of an optical waveguide

2. 5200719 - Impedance-matching coupler

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12/16/2025
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