Average Co-Inventor Count = 1.00
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. Snk Corporation (4 from 18 patents)
4 patents:
1. D428448 - Hand held game machine
2. D416888 - Game machine cartridge
3. D414522 - Hand held game machine
4. D412187 - Cartridge for a hand held game machine