Average Co-Inventor Count = 2.40
ph-index = 3
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. Toyo Kogyo Co., Ltd. (2 from 264 patents)
2. Mazda Motor Corporation (1 from 4,683 patents)
3. Yuhshin Co., Ltd. (1 from 3 patents)
3 patents:
1. 4561527 - Electric parking brake system for a vehicle
2. 4448276 - Clustered switch mounting means for use in automotive vehicles
3. 4400954 - Steering lock assembly