Average Co-Inventor Count = 2.32
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,499 patents)
2. Toyota Jidosha Kogyo Kabushiki Kaisha (2 from 1,838 patents)
3. Kabushiki Kaisha Tokai Rika Denki Seisakusho (1 from 2,002 patents)
4. Tsuda Industries Co., Ltd. (1 from 11 patents)
4 patents:
1. 4932283 - Locking apparatus for shift lever
2. 4873884 - Apparatus for supporting shift lever for transmission
3. 4177671 - Apparatus for sensing air-pressure drop in a tire
4. 4013305 - Buffering air-bag means