Average Co-Inventor Count = 2.40
ph-index = 4
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. Other (2 from 832,718 patents)
2. Konami Corporation (2 from 193 patents)
4 patents:
1. 6857960 - Video game device, background sound output method in video game, and readable storage medium storing background sound output program
2. 6599195 - Background sound switching apparatus, background-sound switching method, readable recording medium with recording background-sound switching program, and video game apparatus
3. 6544122 - Background-sound control system for a video game apparatus
4. 6540613 - Video game apparatus, background sound output setting method in video game, and computer-readable recording medium storing background sound output setting program