Average Co-Inventor Count = 4.00
ph-index = 4
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 Tokai Rika Denki Seisakusho (3 from 2,004 patents)
2. Other (1 from 832,761 patents)
3. Toho Rayon Co., Ltd. (1 from 29 patents)
4 patents:
1. 6238506 - Method of manufacturing steering wheel
2. 5899118 - Steering wheel and method of manufacture
3. 5676395 - Tethered air bag
4. 5558365 - Tethered air bag