Inventor · disambiguated record
Tomohiro Oikawa
Also filed as: OIKAWA TOMOHIRO
25 granted patents·3 pending applications·351 citations·filing 1985–2018
96Inventor score
Top patents by PatentIndex Score
28 records- 0194US4592651ACopier with bookbinding functionRICOH KK·Filed 1985·Granted Jun 3, 1986·88 cites·16 claims
- 0289US4640611ACopying method for bookbindingRICOH KK·Filed 1985·Granted Feb 3, 1987·36 cites·7 claims
- 0386US5054866AScanning optical apparatusRICOH KK·Filed 1989·Granted Oct 8, 1991·57 cites·31 claims
- 0484US5708920AToner-image fixing device with roller-temperature limitationSHARP KK·Filed 1996·Granted Jan 13, 1998·40 cites·9 claims
- 0581US5878314AImage-forming device and method of manufacturing dielectric sheetSHARP KK·Filed 1998·Granted Mar 2, 1999·31 cites·23 claims
- 0680US5799225AImage forming apparatus having variable transfer and attraction voltageSHARP KK·Filed 1995·Granted Aug 25, 1998·19 cites·9 claims
- 0761US6233422B1Image forming apparatus having transfer drum with transfer paper charging memberSHARP KK·Filed 1999·Granted May 15, 2001·8 cites·27 claims
- 0855US6512912B2Image forming apparatus including transfer device outer displacive type ferroelectric layerSHARP KK·Filed 2001·Granted Jan 28, 2003·6 cites·28 claims
- 0955US5493410APrinter varying pixel-shape to reduce jaggednessSHARP KK·Filed 1992·Granted Feb 20, 1996·15 cites·11 claims
- 1053US7086243B2Setting device of a force feedback typeALPS ELECTRIC CO LTD·Filed 2004·Granted Aug 8, 2006·4 cites·3 claims
- 1150US6026256AImage forming apparatusSHARP KK·Filed 1998·Granted Feb 15, 2000·5 cites·12 claims
- 1249US6606471B2Image forming apparatusSHARP KK·Filed 2001·Granted Aug 12, 2003·4 cites·19 claims
- 1347US9128374B2Resist composition and method of forming resist patternTOKYO OHKA KOGYO CO LTD·Filed 2013·Granted Sep 8, 2015·0 cites·17 claims
- 1446US6259869B1Image forming apparatusSHARP KK·Filed 1998·Granted Jul 10, 2001·4 cites·9 claims
- 1546US5024496APolygonal mirror for scanning light beamRICOH KK·Filed 1989·Granted Jun 18, 1991·11 cites·9 claims
- 1645US9529266B2Method of forming patternTOKYO OHKA KOGYO CO LTD·Filed 2014·Granted Dec 27, 2016·0 cites·4 claims
- 1744US9459528B2Negative tone resist composition for solvent developing and method of forming resist patternTOKYO OHKA KOGYO CO LTD·Filed 2014·Granted Oct 4, 2016·0 cites·6 claims
- 1842US5532796AImage forming apparatusSHARP KK·Filed 1995·Granted Jul 2, 1996·7 cites·19 claims
- 1939US6078772AImage-forming apparatusSHARP KK·Filed 1997·Granted Jun 20, 2000·5 cites·18 claims
- 2039US2017176855A1Resist composition, method for forming resist pattern, acid generator and compoundTOKYO OHKA KOGYO CO LTD·Filed 2016·Application pending·0 cites
- 2139US2019354011A1Resist composition and resist pattern forming methodTOKYO OHKA KOGYO CO LTD·Filed 2018·Application pending·0 cites
- 2238US6081686AImage forming apparatus having transfer drum with specific constructionSHARP KK·Filed 1999·Granted Jun 27, 2000·2 cites·9 claims
- 2338US5694161AImage forming apparatus with a light directing device for varying density of an imageSHARP KK·Filed 1994·Granted Dec 2, 1997·4 cites·16 claims
- 2438US2005230594A1Haptic feedback input deviceALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 2537US5298945AElectrophotographic printing machineSHARP KK·Filed 1992·Granted Mar 29, 1994·4 cites·5 claims
- 2634US6169862B1Image forming apparatus with nip time changing deviceSHARP KK·Filed 1999·Granted Jan 2, 2001·1 cites·21 claims
- 2730US6118954AImage forming apparatus having transfer roller with charge-removing and cleaning devicesSHARP KK·Filed 1998·Granted Sep 12, 2000·0 cites·44 claims
- 2829US6330408B1Transfer apparatusSHARP KK·Filed 1999·Granted Dec 11, 2001·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →