Average Co-Inventor Count = 1.72
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. Nihon Plast Co., Ltd. (5 from 227 patents)
5 patents:
1. 10266143 - Steering wheel
2. 9580034 - Steering wheel
3. 8789848 - Airbag device
4. 7766381 - Steering wheel with air bag device
5. 7703799 - Airbag module cover