Average Co-Inventor Count = 1.30
ph-index = 5
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. Casio Computer Co., Ltd. (10 from 5,234 patents)
10 patents:
1. D409228 - Electronic cash register
2. D351402 - Cash register
3. D350745 - Automatic telephone message recorder
4. D350539 - Automatic telephone message recorder
5. D350130 - Automatic telephone message recorder
6. D317595 - Keyboard for data processing system
7. D316405 - Keyboard for data processing system
8. D311728 - Central processing unit
9. D311547 - Electronic cash register
10. D311388 - Central processor unit for data systems