Average Co-Inventor Count = 6.22
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. Yamasa Co., Ltd. (6 from 6 patents)
2. Denso Corporation (4 from 19,697 patents)
3. Konami Digital Entertainment Co., Ltd. (2 from 528 patents)
6 patents:
1. 8708799 - Gaming machine
2. 8360853 - Game machine including variable pattern display units
3. 8162317 - Game machine including variable pattern display units
4. 7806407 - Game machine including variable pattern display units
5. 7677572 - Pattern display device and game machine
6. 7255643 - Pattern display device and game machine including the same