Average Co-Inventor Count = 2.09
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. Other (2 from 832,880 patents)
2. Isuzu Motors Limited (2 from 1,218 patents)
3. Hirohisa Tanaka (1 from 1 patent)
4 patents:
1. 6375098 - Injection valve for the fuel injection in an internal combustion engine
2. 6360972 - Switching valve
3. 6142121 - Method and device for fuel injection of engine
4. 5711277 - Accumulating fuel injection apparatus