Average Co-Inventor Count = 6.13
ph-index = 2
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 Toshiba (2 from 52,711 patents)
2. Hitachi, Ltd. (2 from 42,485 patents)
3. The Center for Political Public Relations, Inc. (2 from 4 patents)
4 patents:
1. 10810174 - Database management system, database server, and database management method
2. 9971793 - Database management system and database management method
3. 5732222 - Election terminal apparatus
4. 5497318 - Election terminal apparatus