Average Co-Inventor Count = 5.29
ph-index = 1
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. Canon Kabushiki Kaisha (3 from 90,594 patents)
3 patents:
1. 6768006 - Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal
2. 6465143 - Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
3. 6447967 - Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal