Average Co-Inventor Count = 4.80
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. Toshiba Ceramics Co., Ltd. (2 from 189 patents)
2. Sumitomo Metal Industries, Inc. (1 from 929 patents)
2 patents:
1. 5435950 - Method for forming a nozzle employed in continuous casting
2. 5046647 - Nozzle for discharging molten metal used in a casting device