Average Co-Inventor Count = 4.71
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. Jtekt Corporation (5 from 2,415 patents)
2. Toyota Jidosha Kabushiki Kaisha (3 from 36,499 patents)
3. Fuji Kiko Co., Ltd. (1 from 197 patents)
4. Otsuka Pharmaceutical Company, Limited (845 patents)
6 patents:
1. 9381936 - Steering-column device
2. 9346482 - Steering-column device
3. 9010806 - Steering system
4. 8651526 - Steering apparatus
5. 7513709 - Universal joint
6. 5636616 - Fuel supply apparatus for an internal combustion engine