Average Co-Inventor Count = 2.40
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,499 patents)
2. Kojima Press Industry Co., Ltd. (1 from 77 patents)
2 patents:
1. 4848627 - Storage box for vehicles
2. 4637298 - Windshield defroster