Average Co-Inventor Count = 3.43
ph-index = 1
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,854 patents)
2. Kabushiki Kaisha Toyota Jidoshokki (2 from 1,824 patents)
3. Howa Plastics Co., Ltd. (1 from 15 patents)
2 patents:
1. 11351844 - Register
2. 11019415 - Cover member for in-vehicle speaker, vehicle, in-vehicle speaker device, and cover structure for in-vehicle speaker