Average Co-Inventor Count = 4.00
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. Other (1 from 832,880 patents)
2. Alps Electric Co., Ltd. (1 from 4,048 patents)
1 patent:
1. 6004407 - Hard magnetic materials and method of producing the same