Average Co-Inventor Count = 1.20
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. Honda Motor Co., Ltd. (3 from 21,862 patents)
3 patents:
1. D880420 - Engine operated generator
2. D780225 - Internal-combustion engine
3. D776164 - Internal-combustion engine