Average Co-Inventor Count = 3.33
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 Enterprises (2 from 145 patents)
2. Sega Enterprises, Ltd. (1 from 264 patents)
3. Kabushiki Kaisha Sega (1 from 92 patents)
4. Sega Corporation (134 patents)
4 patents:
1. 7721116 - Security system
2. 7431651 - Data processing method
3. 6226008 - Image processing device
4. 6213878 - Image processor, image processing method and game machine and recording medium