Inventor · disambiguated record
Richard F. Bergen
Also filed as: BERGEN RICHARD F · GUNDLACH ROBERT W
47 granted patents·507 citations·filing 1974–2004
98Inventor score
Files withXEROX CORP41
Top patents by PatentIndex Score
47 records- 0194US4463363AFluid assisted ion projection printingXEROX CORP·Filed 1982·Granted Jul 31, 1984·67 cites·6 claims
- 0289US5617129AIonographic printing with a focused ion stream controllable in two dimensionsXEROX CORP·Filed 1994·Granted Apr 1, 1997·42 cites·3 claims
- 0385US5257045AIonographic printing with a focused ion streamXEROX CORP·Filed 1992·Granted Oct 26, 1993·55 cites·17 claims
- 0483US4963738AFlat comb-like scorotron charging deviceXEROX CORP·Filed 1986·Granted Oct 16, 1990·24 cites·25 claims
- 0583US4282303ADevelopment method and apparatusXEROX CORP·Filed 1980·Granted Aug 4, 1981·24 cites·20 claims
- 0679US5450115AApparatus for ionographic printing with a focused ion streamXEROX CORP·Filed 1994·Granted Sep 12, 1995·39 cites·17 claims
- 0774US4591713AEfficient, self-limiting corona device for positive or negative chargingXEROX CORP·Filed 1984·Granted May 27, 1986·23 cites·6 claims
- 0871US4763141APrinting apparatus with improved ion focusXEROX CORP·Filed 1987·Granted Aug 9, 1988·16 cites·20 claims
- 0970US4233388AMethod for making toner particlesXEROX CORP·Filed 1979·Granted Nov 11, 1980·12 cites·10 claims
- 1069US4065308ADeformation imaging elementXEROX CORP·Filed 1975·Granted Dec 27, 1977·12 cites·9 claims
- 1165US4841146ASelf-cleaning scorotron with focused ion beamXEROX CORP·Filed 1987·Granted Jun 20, 1989·20 cites·7 claims
- 1264US4777904ATouchdown development apparatusXEROX CORP·Filed 1986·Granted Oct 18, 1988·15 cites·9 claims
- 1362US6127775AIonic display with grid focusingXEROX CORP·Filed 1998·Granted Oct 3, 2000·15 cites·43 claims
- 1461US6833962B2Light altering deviceFiled 2000·Granted Dec 21, 2004·8 cites·4 claims
- 1559US6842291B2Light altering deviceFiled 2004·Granted Jan 11, 2005·7 cites·9 claims
- 1659US4197331ANovel electrostatic imaging systemXEROX CORP·Filed 1978·Granted Apr 8, 1980·8 cites·14 claims
- 1755US6906864B2Light altering deviceFiled 2004·Granted Jun 14, 2005·5 cites·6 claims
- 1854US5028779ACorona charging deviceXEROX CORP·Filed 1984·Granted Jul 2, 1991·8 cites·8 claims
- 1953US3944358AColor image reproduction systemXEROX CORP·Filed 1974·Granted Mar 16, 1976·6 cites·12 claims
- 2051US5655186ALight blocking ion charging apparatusXEROX CORP·Filed 1996·Granted Aug 5, 1997·9 cites·23 claims
- 2151US5043579AUniform charging deviceXEROX CORP·Filed 1990·Granted Aug 27, 1991·8 cites·7 claims
- 2249US3980396ALiquid crystalline deflection and modulation systemXEROX CORP·Filed 1975·Granted Sep 14, 1976·10 cites·8 claims
- 2347US4762997AFluid jet assisted ion projection charging methodXEROX CORP·Filed 1983·Granted Aug 9, 1988·8 cites·14 claims
- 2447US4302094ADevelopment method and apparatusXEROX CORP·Filed 1980·Granted Nov 24, 1981·6 cites·17 claims
- 2545US5587584AApparatus for charging a film on the internal surface of a drumXEROX CORP·Filed 1996·Granted Dec 24, 1996·7 cites·6 claims
- 2641US6906865B2Light altering deviceFiled 2004·Granted Jun 14, 2005·0 cites·4 claims
- 2741US6898017B2Light altering deviceFiled 2004·Granted May 24, 2005·0 cites·7 claims
- 2841US6898016B2Light altering deviceFiled 2004·Granted May 24, 2005·0 cites·10 claims
- 2941US5083145ANon-arcing blade printerXEROX CORP·Filed 1990·Granted Jan 21, 1992·5 cites·10 claims
- 3040US5706162ACorona generating deviceXEROX CORP·Filed 1994·Granted Jan 6, 1998·7 cites·23 claims
- 3140US4558221ASelf limiting mini-corotronXEROX CORP·Filed 1983·Granted Dec 10, 1985·5 cites·9 claims
- 3240US4018603ADeformation imaging system using thermoplastic and elastomeric layersXEROX CORP·Filed 1975·Granted Apr 19, 1977·3 cites·10 claims
- 3340US3951533AColor image reproduction systemXEROX CORP·Filed 1974·Granted Apr 20, 1976·3 cites·4 claims
- 3439US5563688ACharging device for charging in one of a plurality of predefined image areas on a surface of an imaging memberXEROX CORP·Filed 1994·Granted Oct 8, 1996·4 cites·18 claims
- 3539US3997243AColor image reproduction systemXEROX CORP·Filed 1975·Granted Dec 14, 1976·3 cites·17 claims
- 3638US3961950AImaging systemXEROX CORP·Filed 1975·Granted Jun 8, 1976·1 cites·21 claims
- 3737US5729810AOvercoated transfer roller for transferring developed images from one surface to anotherXEROX CORP·Filed 1995·Granted Mar 17, 1998·7 cites·31 claims
- 3835US5655184AIonographic printing with improved ion sourceXEROX CORP·Filed 1995·Granted Aug 5, 1997·3 cites·18 claims
- 3935US5572296AColor printing system employing non-interactive developmentXEROX CORP·Filed 1994·Granted Nov 5, 1996·2 cites·13 claims
- 4035US5105223AScreened blade scorotronXEROX CORP·Filed 1991·Granted Apr 14, 1992·3 cites·7 claims
- 4134US5666601AResistive ion source charging deviceXEROX CORP·Filed 1991·Granted Sep 9, 1997·2 cites·22 claims
- 4232US5841457AIon stream splitting and pre-focusingXEROX CORP·Filed 1996·Granted Nov 24, 1998·2 cites·18 claims
- 4332US5659176AScanning corotronXEROX CORP·Filed 1996·Granted Aug 19, 1997·2 cites·9 claims
- 4432US4724509AEfficiently mounted long coronodesXEROX CORP·Filed 1986·Granted Feb 9, 1988·1 cites·16 claims
- 4530US5742051AMicro sized ion generating deviceXEROX CORP·Filed 1996·Granted Apr 21, 1998·0 cites·12 claims
- 4630US5723863AIon charging apparatus with light blocking capabilityXEROX CORP·Filed 1996·Granted Mar 3, 1998·0 cites·13 claims
- 4730US5075703ARibbon coronodeXEROX CORP·Filed 1990·Granted Dec 24, 1991·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →