Average Co-Inventor Count = 2.67
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. Nippondenso Co., Ltd. (1 from 3,252 patents)
2. Granges Metallverken Ab (1 from 1 patent)
2 patents:
1. 4531980 - Corrosion resisting copper alloy
2. 4130159 - Heat exchanger