Average Co-Inventor Count = 1.60
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. Nec Corporation (1 from 35,670 patents)
2. Shinagawa Refractories Co., Ltd. (1 from 100 patents)
2 patents:
1. 11806781 - Submerged entry nozzle
2. 4655626 - Electronic printer equipped with detecting device for an exchangeable