Average Co-Inventor Count = 2.82
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. Robinson Home Products Inc. (3 from 70 patents)
2. Robinson Knife Manufacturing Co., Inc. (1 from 20 patents)
4 patents:
1. D557081 - Knife
2. D555435 - Spice grinder
3. D550027 - Pan handle
4. 6030012 - Kitchen tool with moveable rest