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. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)
2. Oki Electric Industry Co., Ltd. (1 from 4,979 patents)
1 patent:
1. 4745554 - Method of detecting the number of revolutions of internal combustion