Average Co-Inventor Count = 1.71
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. Tokyo Electric Co. (2 from 492 patents)
2. Toshiba Tec Kabushiki Kaisha (1 from 6,174 patents)
3 patents:
1. 6139205 - Serial printer which provides acceleration control of carrier
2. 5291005 - Apparatus for reading a magnetic stripe on a boarding pass regardless of
3. 5229586 - Card issuing apparatus having sequential processing units