Average Co-Inventor Count = 4.46
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. Sony Corporation (4 from 58,130 patents)
4 patents:
1. 10497392 - Disk holder for disk cartridge
2. 8169644 - Thermal dye sublimation printer and ink ribbon cassette therefor
3. 7983544 - Shake correction unit and imaging apparatus
4. 7651287 - Printer device having ink ribbon cartridge with protection plate for thermal head