Inventor · disambiguated record
Yoshitatsu Okiyama
Also filed as: OKIYAMA YOSHITATSU
14 granted patents·356 citations·filing 1984–2006
94Inventor score
Technology areasG03G
Files withOKI DATA KK12MATSUSHITA GRAPHIC COMMUNICATION SYSTEMS INC1MATSUSHITA GRAPHIC COMMUNICATIONS SYSTEMS INC1
Top patents by PatentIndex Score
14 records- 0196US6324371B1Toner cartridgeOKI DATA KK·Filed 2000·Granted Nov 27, 2001·61 cites·30 claims
- 0293US6023594AImage forming apparatus having a plurality of image forming stations including devices and receiving sections for detachably receiving the devicesOKI DATA KK·Filed 1998·Granted Feb 8, 2000·72 cites·10 claims
- 0388US5740493AElectrophotographic recording apparatus having reverse-charged toner removing meansOKI DATA KK·Filed 1995·Granted Apr 14, 1998·51 cites·34 claims
- 0487US5991575ABelt unitOKI DATA KK·Filed 1999·Granted Nov 23, 1999·42 cites·8 claims
- 0586US6112037AColor image forming apparatus having a controller for setting printing speeds in dependence on a detected number of colors in an image signalOKI DATA KK·Filed 1999·Granted Aug 29, 2000·37 cites·9 claims
- 0684USRE40711EToner cartridgeOKI DATA KK·Filed 2006·Granted May 12, 2009·6 cites·37 claims
- 0776US5765076AMethod and apparatus for forming an electrostatic latent image with toner recoveryOKI DATA KK·Filed 1996·Granted Jun 9, 1998·23 cites·24 claims
- 0869USD304579SFacsimile transceiverMATSUSHITA GRAPHIC COMMUNICATION SYSTEMS INC·Filed 1987·Granted Nov 14, 1989·14 cites·1 claims
- 0960US5983041AImage recording apparatus having a neutralizing deviceOKI DATA KK·Filed 1997·Granted Nov 9, 1999·15 cites·19 claims
- 1058USD288093SFacsimile transceiverMATSUSHITA GRAPHIC COMMUNICATIONS SYSTEMS INC·Filed 1984·Granted Feb 3, 1987·10 cites·1 claims
- 1155US5943533AMethod and apparatus for forming an electrostatic latent image with toner recoveryOKI DATA KK·Filed 1998·Granted Aug 24, 1999·10 cites·4 claims
- 1252US5983042AColor image forming apparatus having a printing mechanism selectively movable to operative and non-operative positionsOKI DATA KK·Filed 1997·Granted Nov 9, 1999·9 cites·12 claims
- 1349US6711371B2Developing device having means to remove developer from a developer supplying memberOKI DATA KK·Filed 2002·Granted Mar 23, 2004·4 cites·10 claims
- 1433US6026270AMedium transporting apparatus having attraction memberOKI DATA KK·Filed 1999·Granted Feb 15, 2000·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →