Average Co-Inventor Count = 1.33
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. Other (1 from 832,843 patents)
2. Transportation Safety Products, Ltd. (1 from 1 patent)
3. Rose, Dean E. (0 patent)
2 patents:
1. 7474202 - Bus safety controller method and system
2. 5293151 - Audible warning of disembarked bus passengers