Average Co-Inventor Count = 4.44
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. Toyo Tire Rubber Co., Ltd. (2 from 967 patents)
2. Takashimaya Nippatsu Kogyo Co., Ltd. (1 from 7 patents)
2 patents:
1. 6089657 - Seat cushion pad for automobiles
2. 5810389 - Side air bag device