Average Co-Inventor Count = 2.25
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 832,966 patents)
2. Lucas Industries Public Limited Company (1 from 766 patents)
3 patents:
1. 5412794 - Microprocessor based systems providing simulated low voltage conditions
2. 5361736 - Variable valve timing
3. 5329894 - Variable valve timing