Average Co-Inventor Count = 1.23
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. Murata Kikai Kabushiki Kaisha (7 from 903 patents)
2. Hitachi, Ltd. (1 from 42,494 patents)
8 patents:
1. 8748036 - Non-aqueous secondary battery
2. 7540493 - Image forming device
3. D581973 - Photoconductor cartridge
4. D576667 - Toner cartridge
5. 7236721 - Image forming device
6. 7212770 - Photoconductive drum device
7. D524360 - Photoconductor drum cartridge
8. 6970670 - Image forming device