Average Co-Inventor Count = 3.43
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. Elmo Company, Limited (4 from 155 patents)
4 patents:
1. D603889 - Image pickup apparatus
2. 7336295 - Video magnifier
3. D559298 - Video magnifier
4. D512087 - Surveillance television camera