Average Co-Inventor Count = 7.23
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. Kabushiki Kaisha Tokai Rika Denki Seisakusho (4 from 2,002 patents)
2. Toyota Jidosha Kabushiki Kaisha (2 from 36,499 patents)
3. Tsuda Industries Co., Ltd. (2 from 11 patents)
4. Mannoh Industrial Co., Ltd. (2 from 6 patents)
4 patents:
1. 10378647 - Shift lever device
2. 10184557 - Shift device for vehicle
3. 10094467 - Shift device for vehicle
4. 7690233 - Portable device and mechanical key