Average Co-Inventor Count = 6.63
ph-index = 1
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. Toyo Kogyo Co., Ltd. (3 from 264 patents)
2. Jtekt Corporation (2 from 2,415 patents)
3. Toyoda Koki Kabushiki Kaisha (1 from 629 patents)
3 patents:
1. 8104508 - Valve device assembling structure, plug body, and manual valve
2. 7547001 - Solenoid valve device installed in gas tank
3. 7134638 - Stop valve for gas tank