Inventor · disambiguated record
Robert B. Champ
Also filed as: CHAMP ROBERT B · CHAMP ROBERT BRUCE
9 granted patents·205 citations·filing 1976–1999
90Inventor score
Top patents by PatentIndex Score
9 records- 0194US4677045ASquarylium charge generating dye and electrophotographic photoconductorIBM·Filed 1986·Granted Jun 30, 1987·53 cites·7 claims
- 0284US4362798AHydrazone and pyrazoline or acetosol yellow containing charge transport layer, photoconductor and electrophotographic process using the sameIBM·Filed 1981·Granted Dec 7, 1982·29 cites·2 claims
- 0379US4889784AOrganic photoconductors with improved wearIBM·Filed 1988·Granted Dec 26, 1989·22 cites·4 claims
- 0476US6004708AElectrophotographic photoconductor containing fluorenyl-azine derivatives as charge transport additivesLEXMARK INT INC·Filed 1999·Granted Dec 21, 1999·25 cites·10 claims
- 0576US4090782AElectrochromic display devices comprising thienylidene pyrazoline compoundsIBM·Filed 1977·Granted May 23, 1978·36 cites·6 claims
- 0673US4490452AXerographic photoconductors with cross-linked epoxy binderIBM·Filed 1983·Granted Dec 25, 1984·20 cites·11 claims
- 0754US4307167ALayered electrophotographic plate having tetramethyl benzidene based disazo dyeIBM·Filed 1980·Granted Dec 22, 1981·9 cites·6 claims
- 0848US4037928AVisual image display deviceIBM·Filed 1976·Granted Jul 26, 1977·6 cites·12 claims
- 0939US5130217ASquarylium photoconductors with noncrystalline bisphenol a bindersLEXMARK INT INC·Filed 1991·Granted Jul 14, 1992·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →