Average Co-Inventor Count = 3.60
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. Oki Electric Industry Co., Ltd. (3 from 4,979 patents)
3 patents:
1. 6013345 - Card, bonding jig, and card reader-writer
2. 5854581 - Transaction processing system and transaction processing method
3. 5852463 - Thermal recording apparatus and erasing method of a record therefor