Average Co-Inventor Count = 1.38
ph-index = 5
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. Nashua Corporation (3 from 85 patents)
2. Nashua Photo Limited (3 from 5 patents)
3. Durand Limited (2 from 4 patents)
4. Other (1 from 832,880 patents)
6 patents:
1. 6150923 - Alarm system
2. 5926319 - Screens having graded refractive index lenses
3. 5873529 - Dispenser for deodorants or the like
4. 5719588 - Viewing device
5. 5695895 - Randomised mask for a diffusing screen
6. D369100 - Combined confectionery container and toy building brick