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. Urawa Kogyo, Co., Ltd. (1 from 1 patent)
3 patents:
1. D464030 - Controller for a handpiece
2. D429220 - Controller for handpiece of electric appliance
3. D428856 - Controller for handpiece of electric appliances