Average Co-Inventor Count = 4.05
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. Nikki Co., Ltd. (3 from 50 patents)
2. Tokyo Roki Co., Ltd. (2 from 38 patents)
3. Calsonic International, Inc. (2 from 4 patents)
5 patents:
1. 9677507 - Oil separator
2. 8979967 - Filter device for gas
3. 7406950 - Fuel supply apparatus of engine
4. 5476138 - Motor vehicle with improved radiator and condenser mounting device
5. 5046554 - Cooling module