Average Co-Inventor Count = 4.00
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. Nippon Seiki Co., Ltd. (2 from 258 patents)
2. Honda Motor Co., Ltd. (1 from 21,862 patents)
2 patents:
1. 9719814 - Needle type gauge
2. 4906919 - Moving magnet type meter