Average Co-Inventor Count = 4.00
ph-index = 1
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. Osram-melco Ltd. (2 from 4 patents)
2 patents:
1. 8188646 - Fluorescent lamp and base with press-fit hole
2. 7456559 - Fluorescent lamp and ferrule