Inventor · disambiguated record
Robert R. Schaffer
Also filed as: SCHAFFER ROBERT R
12 granted patents·507 citations·filing 1980–1994
93Inventor score
Top patents by PatentIndex Score
12 records- 0197US4751528APlaten arrangement for hot melt ink jet apparatusSPECTRA INC·Filed 1987·Granted Jun 14, 1988·158 cites·19 claims
- 0294US4835554AInk jet arraySPECTRA INC·Filed 1987·Granted May 30, 1989·81 cites·11 claims
- 0390US4891654AInk jet arraySPECTRA INC·Filed 1989·Granted Jan 2, 1990·57 cites·7 claims
- 0488US5075689ABidirectional hot melt ink jet printingSPECTRA INC·Filed 1989·Granted Dec 24, 1991·49 cites·26 claims
- 0586US4849795ASheet transportXEROX CORP·Filed 1987·Granted Jul 18, 1989·29 cites·29 claims
- 0680US5120339AMethod for fabricating a low thermal expansion coefficient glass fiber-reinforced polymer matrix composite substrate and composite substrateIBM·Filed 1991·Granted Jun 9, 1992·47 cites·18 claims
- 0779US4971408ARemelting of printed hot melt ink imagesSPECTRA INC·Filed 1988·Granted Nov 20, 1990·28 cites·27 claims
- 0878US4801473AMethod for preparing a hot melt ink transparencySPECTRA INC·Filed 1987·Granted Jan 31, 1989·22 cites·21 claims
- 0972US5467180AHigh air flow low pressure prefuser transportXEROX CORP·Filed 1994·Granted Nov 14, 1995·21 cites·14 claims
- 1045US4326814ADocument printing device having a platen with character segments thereonIBM·Filed 1980·Granted Apr 27, 1982·5 cites·8 claims
- 1144US5337079APost-processing of colored hot melt ink imagesSPECTRA INC·Filed 1990·Granted Aug 9, 1994·6 cites·40 claims
- 1234US4877676AHot melt ink transparencySPECTRA INC·Filed 1988·Granted Oct 31, 1989·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →