Growing community of inventors

Amsterdam, Netherlands

Robbertjan Kalff

Average Co-Inventor Count = 5.00

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 = 31

Robbertjan KalffM'Hamed El Aisati (3 patents)Robbertjan KalffDarin McBeath (2 patents)Robbertjan KalffStephan Stipdonk (2 patents)Robbertjan KalffIJsbrand Jan Aalbersberg (2 patents)Robbertjan KalffUsbrand Jan Aalbersberg (1 patent)Robbertjan KalffJaco Zijlstra (1 patent)Robbertjan KalffSpencer De Groot (1 patent)Robbertjan KalffRobbertjan Kalff (3 patents)M'Hamed El AisatiM'Hamed El Aisati (4 patents)Darin McBeathDarin McBeath (3 patents)Stephan StipdonkStephan Stipdonk (3 patents)IJsbrand Jan AalbersbergIJsbrand Jan Aalbersberg (2 patents)Usbrand Jan AalbersbergUsbrand Jan Aalbersberg (2 patents)Jaco ZijlstraJaco Zijlstra (1 patent)Spencer De GrootSpencer De Groot (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Elsevier B.v. (3 from 10 patents)


3 patents:

1. 8805814 - Methods and systems for searching databases and displaying search results

2. 8489630 - Methods and software for analysis of research publications

3. 7783619 - Methods and software for analysis of research publications

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