Average Co-Inventor Count = 6.00
ph-index = 3
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. Kokusan Denki Co., Ltd. (3 from 180 patents)
3 patents:
1. 5373827 - Fuel injection equipment for internal combustion engine
2. 5287839 - Fuel injection equipment for internal combustion engine
3. 5131367 - Method for controlling ignition timing of internal combustion engine and