Inventor · disambiguated record
Akira Nagahara
Also filed as: NAGAHARA AKIRA
13 granted patents·1 pending application·146 citations·filing 1993–1997
92Inventor score
Files withFUJITSU LTD13
Top patents by PatentIndex Score
14 records- 0178US6128463AImage forming deviceFUJITSU LTD·Filed 1997·Granted Oct 3, 2000·27 cites·21 claims
- 0278US5852757AElectrophotographic image forming apparatus having a device for recovering residual tonerFUJITSU LTD·Filed 1996·Granted Dec 22, 1998·32 cites·18 claims
- 0376US5587774ACleanerless electrographic imaging deviceFUJITSU LTD·Filed 1995·Granted Dec 24, 1996·28 cites·64 claims
- 0462US5678143AImage forming apparatus for collecting residual toner from a drum using an AC voltageFUJITSU LTD·Filed 1994·Granted Oct 14, 1997·12 cites·19 claims
- 0548US5848343AElectrophotographic image-forming apparatus with uniform toner usage controlFUJITSU LTD·Filed 1997·Granted Dec 8, 1998·10 cites·17 claims
- 0647US5467176AImage forming method and apparatus with magnetic brushFUJITSU LTD·Filed 1994·Granted Nov 14, 1995·7 cites·53 claims
- 0744US5424489AMagnetic brush developing apparatusFUJITSU LTD·Filed 1994·Granted Jun 13, 1995·7 cites·24 claims
- 0841US5778285AImage forming apparatus for collecting residual toner from a drum using an AC voltageFUJITSU LTD·Filed 1997·Granted Jul 7, 1998·5 cites·6 claims
- 0940US5396026AMagnetic brush developing apparatusFUJITSU LTD·Filed 1993·Granted Mar 7, 1995·6 cites·12 claims
- 1038US5572298AImage forming apparatus having a developing apparatus which includes a partition member for partitioning a developing room and a toner hopperFUJITSU LTD·Filed 1995·Granted Nov 5, 1996·4 cites·20 claims
- 1138US5495325AImage forming method and image forming apparatusFUJITSU LTD·Filed 1993·Granted Feb 27, 1996·5 cites·24 claims
- 1236US5448341AImage forming apparatusFUJITSU LTD·Filed 1994·Granted Sep 5, 1995·3 cites·46 claims
- 1329US2001022906A1Image forming apparatusFiled 1994·Application pending·0 cites
- 1428US5845184ADeveloping unit having improved toner density controlFUJITSU LTD·Filed 1994·Granted Dec 1, 1998·0 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Akira Nagahara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →