Average Co-Inventor Count = 1.80
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. Nohmi Bosai Ltd. (2 from 96 patents)
2. Nec Corporation (1 from 35,705 patents)
3 patents:
1. 8391931 - Mobile communication terminal and communication method
2. 8106784 - Combination smoke and heat detector
3. D588485 - Fire detector