Average Co-Inventor Count = 3.84
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. Educational Testing Service (8 from 222 patents)
8 patents:
1. 11749131 - E-book reading comprehension analytics
2. 11475273 - Deep convolutional neural networks for automated scoring of constructed responses
3. 11410072 - Computer-implemented systems and methods for detection of sentiment in writing
4. 10628731 - Deep convolutional neural networks for automated scoring of constructed responses
5. 10373047 - Deep convolutional neural networks for automated scoring of constructed responses
6. 9576249 - System and method for automated scoring of a summary-writing task
7. 9342499 - Round-trip translation for automated grammatical error correction
8. 9208139 - System and method for identifying organizational elements in argumentative or persuasive discourse