Average Co-Inventor Count = 3.58
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. Siemens Solar Industries (2 from 16 patents)
2. Atlantic Richfield Company (1 from 1,851 patents)
3. Velobind, Inc. (1 from 42 patents)
4 patents:
1. 5062028 - Self-contained solar powered lamp
2. 4999060 - Solar cell packaging assembly for self-contained light
3. 4975816 - Lens for low light level lamp
4. 4570351 - Book core gauge and positioning guide for casing book cores