Average Co-Inventor Count = 7.00
ph-index = 1
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. Osakafuji Kogyo Co., Ltd. (1 from 3 patents)
2. The Local Government of Osaka Prefecture (1 from 1 patent)
1 patent:
1. 5072091 - Method and apparatus for metal surface process by laser beam