Average Co-Inventor Count = 1.20
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. Tomy Company, Ltd. (1 from 576 patents)
2. Tomy Kogyo Co., Ltd. (1 from 376 patents)
3. Toybox Corporation (1 from 23 patents)
3 patents:
1. D309637 - Sounding toy
2. D277205 - Toy trackway
3. D274736 - Toy pendant