Inventor · disambiguated record
Sadao Okano
Also filed as: OKANO SADAO
17 granted patents·206 citations·filing 1979–2017
93Inventor score
Top patents by PatentIndex Score
17 records- 0193US6567640B2Fixing belt and fuserFUJI XEROX CO LTD·Filed 2002·Granted May 20, 2003·41 cites·6 claims
- 0284US6618573B2Fixing belt and fuserFUJI XEROX CO LTD·Filed 2001·Granted Sep 9, 2003·20 cites·7 claims
- 0384US4290830AMethod of selectively diffusing aluminium into a silicon semiconductor substrateHITACHI LTD·Filed 1979·Granted Sep 22, 1981·42 cites·8 claims
- 0483US6771926B2Fixing belt and fuserFUJI XEROX CO LTD·Filed 2003·Granted Aug 3, 2004·19 cites·2 claims
- 0577US10095148B2Charging device including first and second cleaning members for cleaning a charging wireFUJI XEROX CO LTD·Filed 2017·Granted Oct 9, 2018·1 cites·5 claims
- 0676US9851653B2Charging device and image forming apparatus including movable member to which cleaning member is attachedFUJI XEROX CO LTD·Filed 2016·Granted Dec 26, 2017·1 cites·10 claims
- 0773US5252422AMethod for preparing an electrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1992·Granted Oct 12, 1993·20 cites·1 claims
- 0871US6871040B2Image forming process and image forming apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted Mar 22, 2005·12 cites·21 claims
- 0969US5188916AElectrophotographic photoreceptor having a zirconium and silicon-containing underlayerFUJI XEROX CO LTD·Filed 1991·Granted Feb 23, 1993·17 cites·4 claims
- 1058US9817329B2Charging device including cleaning member and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Nov 14, 2017·0 cites·6 claims
- 1156US6915100B2Image forming process and image forming apparatusFUJI XEROX CO LTD·Filed 2003·Granted Jul 5, 2005·6 cites·18 claims
- 1254US9791800B2Charging device and image forming apparatus having a rotation member with a spiral protrusionFUJI XEROX CO LTD·Filed 2016·Granted Oct 17, 2017·0 cites·7 claims
- 1352US4262295ASemiconductor deviceHITACHI LTD·Filed 1979·Granted Apr 14, 1981·14 cites·8 claims
- 1442US4341011AMethod of manufacturing semiconductor deviceHITACHI LTD·Filed 1980·Granted Jul 27, 1982·7 cites·10 claims
- 1538US5324606AElectrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1992·Granted Jun 28, 1994·4 cites·9 claims
- 1637US5116702AElectrophotographic light-sensitive material comprising a charge generating layer and a charge transfer layerFUJI XEROX CO LTD·Filed 1990·Granted May 26, 1992·1 cites·7 claims
- 1730US5403688AMethod for determining termination time of the step of dispersing a coating composition for photosensitive layer of electrophotographic photoreceptor and electrophotographic photoreceptor prepared using the dispersionFUJI XEROX CO LTD·Filed 1991·Granted Apr 4, 1995·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →