Average Co-Inventor Count = 1.67
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,721 patents)
2. Kabushiki Kaisha Tokai Rika Denki Seisakusho (1 from 2,005 patents)
2 patents:
1. 4967883 - Automatic transmission shift lever device with park and ignition
2. 4608881 - Lower bearing fixing device for a steering main shaft of a steering