Growing community of inventors

Lausanne, Switzerland

Patrick Hohlfeld

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 103

Patrick HohlfeldLee Ann Laurent-Applegate (3 patents)Patrick HohlfeldPatrick Hohlfeld (4 patents)Lee Ann Laurent-ApplegateLee Ann Laurent-Applegate (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Merz Gmbh & Co. Kgaa (2 from 2 patents)

2. Neocutis S.a. (1 from 3 patents)

3. Neogyn, Inc. (1 from 1 patent)


4 patents:

1. 9278122 - Fetal skin cell protein compositions for the treatment of skin conditions, disorders or diseases and methods of making and using the same

2. 9078903 - Compositions for the treatment of skin conditions, disorders or diseases and methods of making and using the same

3. 8449879 - Fetal skin cell protein compositions for the treatment of skin conditions, disorders or diseases and methods of making and using the same

4. 8394371 - Compositions for the treatment of skin conditions, disorders or diseases and methods of making and using the same

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as of
12/16/2025
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