Growing community of inventors

Stockholm, Sweden

Sandra Johansson

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 = 0

Sandra Johansson ↔ Håkan Karlsson (1 patent)Sandra Johansson ↔ Stefan Spiekermann (1 patent)Sandra Johansson ↔ Fredrik Laurell (1 patent)Sandra Johansson ↔ Katrin Ekvall (1 patent)Sandra Johansson ↔ Valdas Pasiskevicius (1 patent)Sandra Johansson ↔ Shunhua Wang (1 patent)Sandra JohanssonSandra Johansson (1 patent)Håkan KarlssonHåkan Karlsson (11 patents)Stefan SpiekermannStefan Spiekermann (9 patents)Fredrik LaurellFredrik Laurell (7 patents)Katrin EkvallKatrin Ekvall (2 patents)Valdas PasiskeviciusValdas Pasiskevicius (2 patents)Shunhua WangShunhua Wang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cobolt Ab (1 from 11 patents)

2. Sony Ericsson Mobile Communications Ab (1,101 patents)


1 patent:

1. 7269189 - Coherent light source based on sum-frequency mixing

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1/16/2026
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