Average Co-Inventor Count = 1.00
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. Fuji Sangyo Co., Ltd. (2 from 8 patents)
2 patents:
1. 4988227 - Writing means
2. 4888780 - Method of detecting and correcting an error that has occurred in a