Inventor · disambiguated record
Haruhiko Nagayama
Also filed as: NAGAYAMA HARUHIKO
8 granted patents·319 citations·filing 1980–1987
89Inventor score
Files withRICOH KK8
Top patents by PatentIndex Score
8 records- 0197US4872091AMemory cartridgeRICOH KK·Filed 1987·Granted Oct 3, 1989·155 cites·7 claims
- 0293US4547059AImage-transfer-type electrostatic recording apparatusRICOH KK·Filed 1982·Granted Oct 15, 1985·45 cites·10 claims
- 0384US4364059AInk jet printing apparatusRICOH KK·Filed 1980·Granted Dec 14, 1982·36 cites·12 claims
- 0482US4674858APhotoconductive element unit for laser printer or the likeRICOH KK·Filed 1985·Granted Jun 23, 1987·27 cites·11 claims
- 0580US4483607ARecording systemRICOH KK·Filed 1983·Granted Nov 20, 1984·24 cites·4 claims
- 0664US4346389AMultiple charge electrode device for liquid jet printerRICOH KK·Filed 1980·Granted Aug 24, 1982·14 cites·2 claims
- 0758US4575219ADry process developing apparatus having detachable screening member for developing unitRICOH KK·Filed 1984·Granted Mar 11, 1986·10 cites·7 claims
- 0852US4338612AMultiple deflection plate device for liquid jet printer or the likeRICOH KK·Filed 1980·Granted Jul 6, 1982·8 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →