Growing community of inventors

Walldorf, Germany

Birgit Ludwig

Average Co-Inventor Count = 2.67

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 = 10

Birgit LudwigStefan Ehrler (2 patents)Birgit LudwigHari Krishna Reddy P (1 patent)Birgit LudwigReeth Dhar Chakraborty (1 patent)Birgit LudwigBirgit Ludwig (2 patents)Stefan EhrlerStefan Ehrler (10 patents)Hari Krishna Reddy PHari Krishna Reddy P (1 patent)Reeth Dhar ChakrabortyReeth Dhar Chakraborty (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sap Se (1 from 5,911 patents)

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


2 patents:

1. D839893 - Display screen or portion thereof with graphical user interface for time sheet data presentation

2. 8869053 - Organizer for managing employee time and attendance

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idiyas.com
as of
12/19/2025
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