Average Co-Inventor Count = 1.00
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. Urawa Kohgyo Co., Ltd. (2 from 10 patents)
2 patents:
1. D453743 - Controller for handpiece
2. D427039 - Rotary tool