Average Co-Inventor Count = 3.20
ph-index = 3
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. Sharp Kabushiki Kaisha Corporation (4 from 25,530 patents)
4 patents:
1. 4708505 - Typewriter misprint correction method
2. 4687356 - Electronic printer with interleaved storage of print wheel position,
3. 4432020 - Administration data storage in a facsimile system
4. 4337472 - Recording head for use in electrostatic recorders