Average Co-Inventor Count = 1.00
ph-index = 5
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. Yoshida Metal Industry Co., Ltd. (4 from 5 patents)
2. Master Cutlery Corporation (2 from 19 patents)
6 patents:
1. D809863 - Handle for kitchen knives
2. D751861 - Handle for kitchen knives
3. D683204 - Handle for a knife
4. D591567 - Knife holder
5. D591566 - Knife holder
6. D533409 - Knife block