Growing community of inventors

Nijmegen, Netherlands

Harm Lotterman

Average Co-Inventor Count = 4.00

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 = 8

Harm Lotterman ↔ Peter J Janssen (1 patent)Harm Lotterman ↔ Jan Zwier (1 patent)Harm Lotterman ↔ Willem F Mellink (1 patent)Harm LottermanHarm Lotterman (1 patent)Peter J JanssenPeter J Janssen (21 patents)Jan ZwierJan Zwier (6 patents)Willem F MellinkWillem F Mellink (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (1 from 14,087 patents)


1 patent:

1. 5013384 - Vacuum system

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as of
12/19/2025
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