Average Co-Inventor Count = 2.57
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. Sunonwealth Electric Machine Industry Co., Ltd. (3 from 456 patents)
3 patents:
1. 8696163 - Lamp with wide-angle light emission and bulb thereof
2. 8610339 - Lamp
3. 8487517 - Led lamp incorporating fan and heat sink assembly