Average Co-Inventor Count = 1.75
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 patents:
1. 11971345 - Smoke detector
2. D439536 - Plate for a fire alarm repeater box