Average Co-Inventor Count = 2.14
ph-index = 5
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. Iwaya Corporation (4 from 16 patents)
2. Iwaya Kabushiki Kaisha (1 from 1 patent)
5 patents:
1. 4699603 - Toy having independent power feeder
2. 4582499 - Motion toy
3. 4571208 - Toy with swing
4. 4516951 - Movable toy animal
5. 4389811 - Bird action toy