Average Co-Inventor Count = 1.67
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. U.S. Philips Corporation (5 from 14,087 patents)
5 patents:
1. D298173 - Base for a fluorescent light fixture
2. D286206 - Lighting fixture
3. D285359 - Lighting fixture
4. D285358 - Lighting fixture
5. D285360 - Lighting fixture