Average Co-Inventor Count = 1.00
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. Smith Corona Corp. (5 from 65 patents)
5 patents:
1. D333830 - Word processor
2. D319652 - Ribbon cassette
3. D319636 - Word processor
4. D315172 - Printer
5. D309895 - Portable word processor