Inventor · disambiguated record
Yoshiya Ishiyama
Also filed as: ISHIYAMA YOSHIYA
3 granted patents·51 citations·filing 1996–2001
71Inventor score
Top patents by PatentIndex Score
3 records- 0178US5852757AElectrophotographic image forming apparatus having a device for recovering residual tonerFUJITSU LTD·Filed 1996·Granted Dec 22, 1998·32 cites·18 claims
- 0257US6634818B2Feeder, image-forming device, and remaining amount detecting methodFUJI XEROX CO LTD·Filed 2001·Granted Oct 21, 2003·9 cites·7 claims
- 0348US5848343AElectrophotographic image-forming apparatus with uniform toner usage controlFUJITSU LTD·Filed 1997·Granted Dec 8, 1998·10 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →