Average Co-Inventor Count = 5.51
ph-index = 3
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. Other (3 from 832,961 patents)
2. Masayuki Ishikawa (1 from 1 patent)
4 patents:
1. 4451467 - 4(3H)-Quinazolinone derivatives, process for production thereof, and
2. 4405623 - Quinazolinde-dione compounds, process for production thereof and
3. 4293553 - 1-Phthalazone derivatives, and use thereof
4. 4276295 - 3-Aromatic moiety substituted-4(3H)-quinazolinones, process for