Average Co-Inventor Count = 2.36
ph-index = 3
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.
Company Filing History:
1. Schaeffer-homberg Gmbh (3 from 9 patents)
2. Firma Schaeffer-homberg Gmbh (2 from 5 patents)
5 patents:
1. 4354588 - Device on an attachment machine
2. 4137607 - Button, particularly for clothing pieces
3. 4033012 - Button, particularly for clothing pieces
4. 3979802 - Snap fastener
5. 3934777 - Machine for the attachment of fasteners