Average Co-Inventor Count = 2.77
ph-index = 4
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. Johnson & Johnson Gmbh (6 from 511 patents)
6 patents:
1. D261970 - Display device
2. 4249333 - Infant development ring toy
3. D258160 - Combined toy harbor, village and figure therefor
4. D255135 - Animate figure toy
5. D254860 - Combined grasping and handling toy rattle or similar article
6. D254795 - Toy rattle