Growing community of inventors

Drunen, Denmark

Johannes Hjm Kelders

Average Co-Inventor Count = 2.00

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 = 25

Johannes Hjm Kelders ↔ Roy E Van Swieten (1 patent)Johannes Hjm Kelders ↔ Roy E Van Swieten (1 patent)Johannes Hjm KeldersJohannes Hjm Kelders (2 patents)Roy E Van SwietenRoy E Van Swieten (7 patents)Roy E Van SwietenRoy E Van Swieten (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kgaa (2 from 89 patents)


2 patents:

1. D421461 - Holder with correcting tape

2. D407438 - Holder with correcting tape

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as of
12/8/2025
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