Average Co-Inventor Count = 3.00
ph-index = 4
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. Delta Elettronica S.p.a. (4 from 9 patents)
2. Delta Elettronics S.p.a. (2 from 2 patents)
6 patents:
1. D310975 - Ultrasonic transmitting and receiving case for alarm systems
2. D309440 - Siren for automobiles and the like
3. D305180 - Combined key holder and remote control transmitter for antitheft
4. D305210 - Combined key holder and remote control transmitter for antitheft
5. D303507 - Ultrasonic alarm for vehicles
6. D301989 - Siren for vehicle anti-theft alarm