Average Co-Inventor Count = 2.26
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.
4 patents:
1. D1077485 - Anti-wrinkle appliance
2. D1066709 - Anti-wrinkle appliance
3. D1058018 - Street lamp
4. D1019242 - Coffee machine