Average Co-Inventor Count = 4.80
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. Bandai Co., Ltd. (3 from 126 patents)
2. Kikuchi Co., Ltd. (3 from 13 patents)
3 patents:
1. 7624486 - Button manufacturing device
2. 7509891 - Button making device, button, and method of mounting pressing mold in button making device
3. 7069678 - Badge and badge manufacturing device