Growing community of inventors

Shanghai, China

Roy Grinfeld

Average Co-Inventor Count = 1.20

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 = 6

Roy GrinfeldCarsten Frank Gollnick (1 patent)Roy GrinfeldRoy Grinfeld (3 patents)Carsten Frank GollnickCarsten Frank Gollnick (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hemro Ag (2 from 3 patents)


3 patents:

1. D1093998 - Coffee grinder

2. D1083472 - Water dispenser

3. D966031 - Coffee grinder

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idiyas.com
as of
12/15/2025
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