Average Co-Inventor Count = 2.40
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. Nec Corporation (1 from 35,670 patents)
2. Sega Enterprises, Ltd. (1 from 264 patents)
2 patents:
1. 6529875 - Voice recognizer, voice recognizing method and game machine using them
2. 5732276 - Machine translation device