Average Co-Inventor Count = 4.86
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 Data Corporation (2 from 1,875 patents)
2. Oki Electric Industry Co., Ltd. (1 from 4,979 patents)
3 patents:
1. D981480 - Printer
2. D911436 - Printer
3. D892923 - Printer