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. Nissan Motor Company Limited (1 from 13,395 patents)
2. Kawasaki Kaisha Toshiba (1 from 4 patents)
2 patents:
1. 6333760 - Area isolation type solid-state image pickup device for increasing the usage of the element formation surface of a semiconductor chip
2. 4986235 - Oil pan for internal combustion engine