Average Co-Inventor Count = 1.33
ph-index = 2
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. Scm Corporation (4 from 478 patents)
4 patents:
1. D281253 - Typewriter
2. D265566 - Ribbon cartridge
3. D265567 - Ribbon cartridge
4. D257561 - Typewriter