Average Co-Inventor Count = 2.67
ph-index = 2
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. Power Digital Delight Co., Ltd. (2 from 2 patents)
2. Easthill Industrial Co., Ltd. (1 from 1 patent)
2 patents:
1. 8450705 - Lighting apparatus for nail beauty
2. D669200 - LED light bulb