Average Co-Inventor Count = 4.20
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. Nabtesco Corporation (1 from 379 patents)
2. Nabco Limited (1 from 60 patents)
2 patents:
1. 8955253 - Sensor for use with automatic door
2. 7181369 - Method and system for administering automatic door apparatus, and automatic door apparatus