Average Co-Inventor Count = 2.14
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. Other (2 from 832,843 patents)
2. Passport Systems, Inc. (2 from 31 patents)
3. Aeronca Electronics, Inc. (1 from 3 patents)
5 patents:
1. 7947927 - Heated tray
2. 4730976 - Articulated arm transfer device
3. 4275978 - Transport apparatus
4. 4141458 - Wafer transport system
5. 4030622 - Wafer transport system