Average Co-Inventor Count = 4.75
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. Other (2 from 832,680 patents)
2. Hino Motors, Ltd. (2 from 241 patents)
3. Sango Co., Ltd. (1 from 66 patents)
4. Sankyo Radiator Co., Ltd. (1 from 5 patents)
5. Hitachi Metals, Ltd. (2,333 patents)
4 patents:
1. 9285114 - Burner
2. 7594536 - EGR cooler
3. 6827754 - Ceramic honeycomb filter
4. 6684938 - EGR cooler