Average Co-Inventor Count = 2.67
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. Toyoda Iron Works Co., Ltd. (2 from 155 patents)
2 patents:
1. 9944258 - Device for operating vehicular parking brake
2. 8596428 - Equalizer device for parking brake