Average Co-Inventor Count = 5.46
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. Nippon Sanso Corporation (2 from 182 patents)
2. Nkk Corporation (1 from 614 patents)
2 patents:
1. 5888458 - Melting furnace of metals and melting method thereof
2. 5603456 - Liquid fuel burner