Average Co-Inventor Count = 3.37
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. Kabushiki Kaisha Sega (3 from 92 patents)
2. Ryobi Limited (1 from 546 patents)
3. Kabushiki Kaisha Sega Enterprises (1 from 145 patents)
5 patents:
1. 7721116 - Security system
2. 7664536 - Character communication device
3. 7203908 - Character communication device
4. 6226008 - Image processing device
5. 4906531 - Alloys strengthened by dispersion of particles of a metal and an