Average Co-Inventor Count = 6.61
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. Sharp Kabushiki Kaisha Corporation (4 from 25,530 patents)
2. Nippon Telegraph and Telephone Corporation (1 from 5,289 patents)
3. Nippon Telegraph (1 from 7 patents)
4. Telephone Corporation & Sharp Kabushiki Kaisha (1 from 1 patent)
5 patents:
1. 5172243 - Data transmitter-receiver apparatus for transmitting and receiving image
2. 5163089 - Image data transmission apparatus
3. 5045953 - Image data transmission apparatus with detachable reader
4. 4989237 - Image data transmission apparatus
5. 4962526 - Image data transmission apparatus