Average Co-Inventor Count = 3.00
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. Nippon Soken, Inc. (3 from 1,600 patents)
3 patents:
1. 4696548 - Antiglare mirror for an automobile
2. 4673248 - Reflecting mirror for an automobile
3. 4634242 - Defrostable outside rear view mirror for an automobile