Average Co-Inventor Count = 3.48
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. Sony Corporation (2 from 58,129 patents)
2. Namco Bandai Games, Ltd. (2 from 114 patents)
4 patents:
1. 8624912 - Program, image generation device, and image generation method
2. 8538059 - Ear speaker device
3. 8484280 - Program, computer terminal, and command execution method
4. 8175316 - Ear speaker device