Average Co-Inventor Count = 7.00
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 Steel Corporation (1 from 3,576 patents)
2. Mishima Kosan Co., Ltd. (1 from 12 patents)
1 patent:
1. 4123707 - Magnetic field sensor housed in a cooling device for sensing the charge