Inventor · disambiguated record
Yasumori Nagahara
Also filed as: NAGAHARA YASUMORI
12 granted patents·215 citations·filing 1973–2004
92Inventor score
Files withRICOH KK12
Top patents by PatentIndex Score
12 records- 0185US4297021APowder material transportation apparatusRICOH KK·Filed 1979·Granted Oct 27, 1981·25 cites·11 claims
- 0284US7110700B2Belt driving controller, process cartridge, and image forming apparatusRICOH KK·Filed 2004·Granted Sep 19, 2006·22 cites·54 claims
- 0384US4231653AOil supply apparatusRICOH KK·Filed 1978·Granted Nov 4, 1980·50 cites·20 claims
- 0482US3941472APhotosensitive drum for electrophotographic copying machinesRICOH KK·Filed 1973·Granted Mar 2, 1976·17 cites·7 claims
- 0571US3970383AApparatus for color electrophotographyRICOH KK·Filed 1974·Granted Jul 20, 1976·16 cites·4 claims
- 0669US3997790AApparatus for heat-fixing a toner imageRICOH KK·Filed 1975·Granted Dec 14, 1976·12 cites·6 claims
- 0766US4045134APhotosensitive member for use in electrophotographic apparatus and method of manufacturing the sameRICOH KK·Filed 1976·Granted Aug 30, 1977·11 cites·10 claims
- 0865US4951160AImage reproducing apparatusRICOH KK·Filed 1989·Granted Aug 21, 1990·20 cites·16 claims
- 0961US4299475AScanning method and apparatus applicable to variable magnification copying machinesRICOH KK·Filed 1980·Granted Nov 10, 1981·7 cites·4 claims
- 1056US5646749AColor image forming apparatusRICOH KK·Filed 1996·Granted Jul 8, 1997·20 cites·11 claims
- 1156US4350750AElectrophotographic processRICOH KK·Filed 1980·Granted Sep 21, 1982·10 cites·4 claims
- 1242US4421405AMultiple mode copying apparatusRICOH KK·Filed 1982·Granted Dec 20, 1983·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →