Growing community of inventors

Geroldsgrün, Germany

Werner Zahn

Average Co-Inventor Count = 1.33

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 = 12

Werner ZahnJuergen Raps (1 patent)Werner ZahnJochen Griesheimer (1 patent)Werner ZahnWerner Zahn (4 patents)Juergen RapsJuergen Raps (2 patents)Jochen GriesheimerJochen Griesheimer (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Faber-Castell Ag (2 from 45 patents)

2. A.w. Faber-Castell Unternehmensverwaltung Gmbh & Co. (2 from 10 patents)


4 patents:

1. 8360670 - Pen-like applicator

2. 8282302 - Pen with locking cap

3. 6293720 - Pencil having an axially-moveable core, particularly a soft-core pencil

4. 6149331 - Refillable soft lead pencil

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