Average Co-Inventor Count = 4.00
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. Manville Corporation (4 from 151 patents)
4 patents:
1. D301278 - Fluorescent lighting fixture
2. D300953 - Fluorescent lighting fixture
3. D300952 - Fluorescent lighting fixture
4. D300951 - Fluorescent lighting fixture