Average Co-Inventor Count = 5.00
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. Lock & Lock Co., Ltd. (3 from 29 patents)
3 patents:
1. D951715 - Tumbler
2. D945219 - Tumbler
3. D945220 - Tumbler