Average Co-Inventor Count = 3.33
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. Idemitsu Kosan Company, Limited (3 from 2,271 patents)
2. Sanyo Electric Co., Ltd. (1 from 8,777 patents)
3. Calsonic Kansei Corporation (1 from 560 patents)
4 patents:
1. 7114587 - Structure of front portion of vehicle body
2. 6878677 - Refrigerating machine oil compositions
3. 6656891 - Refrigerating machine oil composition
4. 4983313 - Refrigerating machine oil composition