Average Co-Inventor Count = 2.00
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. Multi Toys Corp. (2 from 3 patents)
2. The Quaker Oats Company (1 from 714 patents)
3. Nasta Industries, Inc. (1 from 2 patents)
4. Nasta International, Inc. (1 from 1 patent)
5 patents:
1. 5062341 - Portable drum sound simulator generating multiple sounds
2. 4909117 - Portable drum sound simulator
3. D303406 - Gloved toy with water- and light-emitting action
4. 4768681 - Fluid action toy worn by user
5. D262563 - Toy boat