Growing community of inventors

Engenhahn, Germany

Michael Heidan

Average Co-Inventor Count = 2.00

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 = 15

Michael HeidanKai Okulla (2 patents)Michael HeidanMichael Heidan (2 patents)Kai OkullaKai Okulla (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Duo Care Gmbh & Co. Kg (1 from 1 patent)

2. Wilhelm Schröder Gmbh (1 from 1 patent)


2 patents:

1. D660591 - Container

2. 8146738 - Apparatus for accommodating exchangeable containers and metering media

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as of
12/12/2025
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