Average Co-Inventor Count = 1.59
ph-index = 7
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 (3 from 832,891 patents)
2. Sounds Fun, Inc. (2 from 3 patents)
3. Cognitech, Inc. (1 from 24 patents)
4. Nusa Widjaja (1 from 1 patent)
9 patents:
1. 5577990 - Trophotropic response method
2. 5518497 - Trophotropic response system
3. D365375 - Training insert unit for a basketball hoop
4. 5440526 - Low energy animated time piece
5. D350104 - Display holder for vehicles
6. 5197044 - Low energy animated time piece
7. 5028776 - High hat actuating system with photoelectric control means
8. 4563160 - Lighting system for rotatable toy
9. 4435917 - Lighting system for rotatable toy