Average Co-Inventor Count = 2.05
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. (3 from 4,979 patents)
2. Oki Data Corporation (1 from 1,875 patents)
4 patents:
1. 12411451 - Image forming apparatus
2. D981480 - Printer
3. 11086266 - Image forming apparatus
4. D892923 - Printer