Growing community of inventors

Budapest, Hungary

Istvan Hejjas

Average Co-Inventor Count = 8.00

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 = 37

Istvan Hejjas ↔ Erno Rubik (1 patent)Istvan Hejjas ↔ Gabor Fazekas (1 patent)Istvan Hejjas ↔ Karoly Szabo (1 patent)Istvan Hejjas ↔ Peter Niklai (1 patent)Istvan Hejjas ↔ Robert Breitner (1 patent)Istvan Hejjas ↔ Istvan Tothmatyas (1 patent)Istvan Hejjas ↔ Gabor Biro (1 patent)Istvan HejjasIstvan Hejjas (1 patent)Erno RubikErno Rubik (12 patents)Gabor FazekasGabor Fazekas (4 patents)Karoly SzaboKaroly Szabo (1 patent)Peter NiklaiPeter Niklai (1 patent)Robert BreitnerRobert Breitner (1 patent)Istvan TothmatyasIstvan Tothmatyas (1 patent)Gabor BiroGabor Biro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rubik Studio (1 from 1 patent)


1 patent:

1. 4817952 - Electronic spatial logical toy containing movable and/or rotatable

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as of
12/13/2025
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