Average Co-Inventor Count = 4.29
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. Other (2 from 832,680 patents)
2. Directed Electronics Inc. (1 from 33 patents)
3. Issa, Darrell E. (0 patent)
3 patents:
1. 6093979 - Channel expander for remotely controlled automotive security and
2. 5907195 - Channel expander for remotely controlled automotive security and
3. 5534845 - Advanced automotive automation and security system