Average Co-Inventor Count = 3.43
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. Nkk Corporation (2 from 614 patents)
2. Tokyo Yogyo Kabushiki Kaisha (1 from 35 patents)
3. Nippon Rotary Nozzle Co., Ltd. (1 from 15 patents)
4. Kokan Kikai Kogyo Kabushiki Kaisha (1 from 12 patents)
2 patents:
1. 6026996 - Brick body for rotary nozzle and rotary nozzle using same
2. 5305820 - Withdrawal control process of horizontal continuous casting