Average Co-Inventor Count = 1.41
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 832,718 patents)
2. Sega Enterprises, Ltd. (1 from 264 patents)
3. Sega Toys, Ltd. (1 from 5 patents)
4 patents:
1. D461845 - Educational illustration machine
2. 5669781 - Cartridge connection mechanism
3. 4940234 - Video game machine
4. 4018238 - Comb