Average Co-Inventor Count = 5.76
ph-index = 3
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. Nippondenso Co., Ltd. (3 from 3,252 patents)
2. Toyota Jidosha Kabushiki Kaisha (1 from 36,499 patents)
3. Mitsubishi Chemical Corporation (1 from 2,346 patents)
4. Mitsubishi Jukogyo Kabushiki Kaisha (1 from 1,326 patents)
5. Obayashi Corporation (1 from 41 patents)
4 patents:
1. 5720445 - Apparatus for winding reinforcing fibers around column
2. 4937521 - Current detecting device using ferromagnetic magnetoresistance element
3. 4847591 - Vehicle height detecting system
4. 4424704 - Knock detecting apparatus for internal combustion engine