Average Co-Inventor Count = 4.09
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. Nec Electronics Corporation (2 from 2,467 patents)
2. Nec Corporation (1 from 35,705 patents)
3. Sumitomo Chemical Company, Limited (1 from 6,894 patents)
3 patents:
1. 6949465 - Preparation process for semiconductor device
2. 6869921 - Stripping composition
3. 6524376 - Anticorrosive agent