Average Co-Inventor Count = 2.86
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. Koito Manufacturing Company, Ltd. (2 from 2,302 patents)
2 patents:
1. 7438455 - Vehicle lamp
2. 6514114 - Vehicle-lamp assembly apparatus