Average Co-Inventor Count = 2.40
ph-index = 5
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. Francotyp-postalia Gmbh (5 from 148 patents)
2. Bundesdruckerei Gmbh (2 from 144 patents)
3. Rohde & Schwarz Sit Gmbh (1 from 3 patents)
8 patents:
1. D591706 - Mobile phone
2. D563428 - Visualization device
3. D563429 - Visualization device
4. D536369 - Letter depositer
5. D529544 - Franking machine with scale
6. D528152 - Franking machine with a sealer, a scale, and a depositer
7. D527046 - Letter sealer
8. D526008 - Franking machine