Average Co-Inventor Count = 3.60
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. Other (2 from 832,761 patents)
2. Konami Co., Ltd. (1 from 253 patents)
3 patents:
1. 6599195 - Background sound switching apparatus, background-sound switching method, readable recording medium with recording background-sound switching program, and video game apparatus
2. 6544122 - Background-sound control system for a video game apparatus
3. 5735743 - Game machine having play-by-play announcement