Average Co-Inventor Count = 2.67
ph-index = 4
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. Aisin Seiki Kabushiki Kaisha (4 from 5,207 patents)
4 patents:
1. 5161559 - Cleaning device for contact lenses
2. 5105841 - Cleaning device for contact lenses
3. 4961322 - Fresh food storing device
4. 4704748 - Washing device for parts of human body