Growing community of inventors

Bad Schönborn, Germany

Walter Koller

Average Co-Inventor Count = 3.16

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 = 11

Walter KollerMatthias Richter (2 patents)Walter KollerMathias Schoenecker (2 patents)Walter KollerHeike Berger (2 patents)Walter KollerMaurice Hendrik Hagen (2 patents)Walter KollerPhilipp Suenderhauf (1 patent)Walter KollerHelgi Thorleifsson (1 patent)Walter KollerDetlef Pluemper (1 patent)Walter KollerWalter Koller (5 patents)Matthias RichterMatthias Richter (22 patents)Mathias SchoeneckerMathias Schoenecker (15 patents)Heike BergerHeike Berger (3 patents)Maurice Hendrik HagenMaurice Hendrik Hagen (3 patents)Philipp SuenderhaufPhilipp Suenderhauf (8 patents)Helgi ThorleifssonHelgi Thorleifsson (3 patents)Detlef PluemperDetlef Pluemper (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sap Ag (3 from 3,607 patents)

2. Sap Se (1 from 5,943 patents)

3. Sap Akteiengesellschaft (1 from 1 patent)


5 patents:

1. 9536220 - Personnel cost planning

2. 8589218 - Appraisal and objectives integration

3. 8468047 - Appraisal processing

4. 7693868 - Separation of employee data for different applications

5. 7599841 - Personnel cost planning

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as of
1/15/2026
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