Average Co-Inventor Count = 7.00
ph-index = 2
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. Doryokuro Kakunenryo Kaihatsu Jigyodan (2 from 196 patents)
2. Kabushiki Kaisha Kobe Seiko Sho (1 from 1,100 patents)
2 patents:
1. 4591454 - Apparatus and method for melting and treating metal wastes
2. 4587098 - Method of stabilized operation of acid digestion kettle of tantalum