Average Co-Inventor Count = 5.14
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.
Company Filing History:
1. Zf Sachs Ag (4 from 141 patents)
2. Zf Friedrichshafen Ag (3 from 3,428 patents)
3. Leichtbau-zentrum Sachsen Gmbh (2 from 9 patents)
4. Zh Friedrichshafen Ag (1 from 1 patent)
8 patents:
1. 9360111 - Piston-cylinder unit
2. 8919753 - Spring plate
3. 8910759 - Vibration damper
4. 8297600 - Plastic spring for a motor vehicle chassis
5. 7077390 - Suspension strut unit with a height-adjustable spring collar
6. 7077248 - Suspension strut unit with a stop buffer
7. 7017892 - Suspension strut with stop buffer
8. 6767010 - Suspension strut with vertically adjustable spring perch