Average Co-Inventor Count = 5.62
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. Mitsubishi Chemical Corporation (3 from 2,346 patents)
3 patents:
1. 6875491 - Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc
2. 6294641 - Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium
3. 6288205 - Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording medium