Average Co-Inventor Count = 7.00
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. Nippondenso Co., Ltd. (1 from 3,252 patents)
2. Kabushiki Kaisha Toyota Chuo Kenkyusho (1 from 1,139 patents)
3. Toyota Chemical Engineering Co., Ltd. (1 from 2 patents)
1 patent:
1. 4900459 - Metal processing lubricating oil composition and process for producing