Inventor · disambiguated record
William R. Buchan
Also filed as: BUCHAN WILLIAM R · BUCHAN WILLIAM RAYMOND
12 granted patents·325 citations·filing 1975–2001
92Inventor score
Top patents by PatentIndex Score
12 records- 0196US5103263APowder transport, fusing and imaging apparatusDELPHAX SYSTEMS·Filed 1991·Granted Apr 7, 1992·97 cites·27 claims
- 0293US3947113AElectrophotographic toner transfer apparatusITEK CORP·Filed 1975·Granted Mar 30, 1976·64 cites·16 claims
- 0389US4015027AElectrophotographic toner transfer and fusing methodITEK CORP·Filed 1975·Granted Mar 29, 1977·28 cites·2 claims
- 0482US5014076APrinter with high frequency charge carrier generationDELPHAX SYSTEMS·Filed 1989·Granted May 7, 1991·37 cites·28 claims
- 0581US4395113AMethods and apparatus for cleaning photoconductive membersNASHUA CORP·Filed 1981·Granted Jul 26, 1983·32 cites·8 claims
- 0677US5012291APowder transport, fusing and imaging apparatusDELPHAX SYSTEMS·Filed 1989·Granted Apr 30, 1991·22 cites·40 claims
- 0757US3993825AElectrophotographic toner transfer and fusing apparatus and methodITEK CORP·Filed 1975·Granted Nov 23, 1976·13 cites·7 claims
- 0855US3991712ACascade development station having a roughened development plate for enhancing developer mixture turbulenceITEK CORP·Filed 1975·Granted Nov 16, 1976·8 cites·23 claims
- 0950US5414498ALiquid/dry toner imaging systemDELPHAX SYSTEMS·Filed 1993·Granted May 9, 1995·8 cites·18 claims
- 1047US4153335AMethod and apparatus for increasing the visibility of low-contrast imagesITEK CORP·Filed 1977·Granted May 8, 1979·9 cites·12 claims
- 1143US4623241ADeveloping apparatus and method for a photocopier employing liquid developmentNASHUA CORP·Filed 1983·Granted Nov 18, 1986·7 cites·4 claims
- 1234US6591080B2Loose sleeve pressure memberXEROX CORP·Filed 2001·Granted Jul 8, 2003·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →