Average Co-Inventor Count = 5.00
ph-index = 1
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. (2 from 4,979 patents)
2. Oki Data Corporation (2 from 1,875 patents)
2 patents:
1. 6023825 - Method of manufacturing an ink jet head
2. 5844587 - Piezoelectric ink jet head having electrodes connected by anisotropic