Average Co-Inventor Count = 4.00
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. Kabushiki Kaisha Toyota Chuo Kenkyusho (1 from 1,139 patents)
2. Aichi Steel Works, Ltd. (1 from 57 patents)
3. Horikiri Spring Mfg., Co., Ltd. (1 from 2 patents)
1 patent:
1. 4637594 - Leaf spring construction