Average Co-Inventor Count = 4.00
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. Brother Industries, Ltd. (7 from 980 patents)
2. Ricoh Printing Systems, Ltd. (1 from 129 patents)
7 patents:
1. D571395 - Printer
2. D538332 - Toner cartridge
3. D533584 - Printer
4. D532040 - Printer
5. D530362 - Combined printer and scanner
6. D529950 - Printer
7. D529951 - Printer