Average Co-Inventor Count = 4.67
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. Diamond Engineering Co., Ltd. (3 from 5 patents)
2. Electric Power Development Co., Ltd. (1 from 44 patents)
3 patents:
1. 9631869 - Powder supply device and powder supply method
2. 9573775 - Powder supply apparatus and powder supply method
3. 9296570 - Powder supply device and powder supply method