Average Co-Inventor Count = 1.50
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 Kogyo Co., Ltd. (2 from 376 patents)
2. Sente Creations Co., Ltd. (1 from 7 patents)
3 patents:
1. 5505463 - Game toy
2. 4856777 - Simulator toy
3. 4278253 - Game having a spirally traversing channel