Inventor · disambiguated record
Akitoshi Matsubara
Also filed as: MATSUBARA AKITOSHI
27 granted patents·549 citations·filing 1981–2002
97Inventor score
Top patents by PatentIndex Score
27 records- 0194US4940644AToner for development of electrostatic images and image forming method by use thereofKONISHIROKU PHOTO IND·Filed 1988·Granted Jul 10, 1990·52 cites·19 claims
- 0292US6148172AImage forming apparatus having means for enhancing accuracy of conveyance of recording sheetsKONISHIROKU PHOTO IND·Filed 1999·Granted Nov 14, 2000·62 cites·24 claims
- 0390US4845006AToner and process for developing electrostatic latent imagesKONISHIROKU PHOTO IND·Filed 1988·Granted Jul 4, 1989·59 cites·4 claims
- 0488US4795689AElectrostatic image developing toner for use in heat-roller fixingKONISHIROKU PHOTO IND·Filed 1987·Granted Jan 3, 1989·32 cites·24 claims
- 0579US5047305AElectrostatic-image developing polyester toner with release agentKONISHIROKU PHOTO IND·Filed 1989·Granted Sep 10, 1991·22 cites·14 claims
- 0677US5768655AImage forming apparatus and control method thereofKONISHIROKU PHOTO IND·Filed 1997·Granted Jun 16, 1998·29 cites·18 claims
- 0776US6442368B1Finishing technology in image forming systemKONISHIROKU PHOTO IND·Filed 2000·Granted Aug 27, 2002·20 cites·6 claims
- 0875US5761573AImage forming apparatus for double-sided image formation with properly adjusted image density or color tone for each sideKONISHIROKU PHOTO IND·Filed 1997·Granted Jun 2, 1998·24 cites·19 claims
- 0975US4882258AToner for development of electrostatic image and electrostatic latent image developerKONISHIROKU PHOTO IND·Filed 1988·Granted Nov 21, 1989·20 cites·18 claims
- 1074US5021317AElectrostatic latent image developer with toner particles surface treated with a polysiloxane having ammonium salt functional groupsKONISHIROKU PHOTO IND·Filed 1988·Granted Jun 4, 1991·18 cites·18 claims
- 1173US5822666AImage forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning deviceKONISHIROKU PHOTO IND·Filed 1997·Granted Oct 13, 1998·23 cites·24 claims
- 1273US4935327APolyester toner with antioxidant for development of electrostatic latent imageKONISHIROKU PHOTO IND·Filed 1988·Granted Jun 19, 1990·17 cites·5 claims
- 1372US4415644AElectrostatic image developing toner and a method for the production thereofKONISHIROKU PHOTO IND·Filed 1981·Granted Nov 15, 1983·15 cites·25 claims
- 1471US4486559AToner composition for the development of electrostatic latent images and a method of preparing the sameKONISHIROKU PHOTO IND·Filed 1981·Granted Dec 4, 1984·17 cites·28 claims
- 1564US4600676AToner composition containing titanate coupling agent for electrophotography and method for producing said tonerTERADA SADATUGU·Filed 1984·Granted Jul 15, 1986·13 cites·17 claims
- 1660US5758204ADuplex image forming apparatus with two image carriers and an image size discriminatorKONISHIROKU PHOTO IND·Filed 1997·Granted May 26, 1998·14 cites·9 claims
- 1760US4448871AToner for developing an electrostatically charged image and manufacturing method thereofKONISHIROKU PHOTO IND·Filed 1981·Granted May 15, 1984·10 cites·2 claims
- 1858US5875372AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1997·Granted Feb 23, 1999·13 cites·6 claims
- 1957US7210103B2Printed book publishing system and management method for printed book publishingKONICA CORP·Filed 2002·Granted Apr 24, 2007·10 cites·7 claims
- 2056US6118972AImage forming apparatus and image forming methodKONISHIROKU PHOTO IND·Filed 1999·Granted Sep 12, 2000·21 cites·5 claims
- 2153US5826143AImage forming apparatus with two transfer meansKONISHIROKU PHOTO IND·Filed 1997·Granted Oct 20, 1998·17 cites·8 claims
- 2248US5920744AImage forming apparatus and method for efficiently forming images even after the occurrence of a jamKONISHIROKU PHOTO IND·Filed 1997·Granted Jul 6, 1999·13 cites·7 claims
- 2348US5272038AElectrostatic image developing resin-coated carrier and method for producing the sameKONISHIROKU PHOTO IND·Filed 1991·Granted Dec 21, 1993·7 cites·18 claims
- 2447US6094552AImage forming apparatus for printing images in accordance with at least one of first information and second informationKONISHIROKU PHOTO IND·Filed 1997·Granted Jul 25, 2000·12 cites·9 claims
- 2536US6032018ASheet guiding member for guiding a sheet having a toner image on its surface and image forming apparatusKONISHIROKU PHOTO IND·Filed 1998·Granted Feb 29, 2000·3 cites·13 claims
- 2633US4770969AHeat fusible toners for developing electrostatic imagesKONISHIROKU PHOTO IND·Filed 1987·Granted Sep 13, 1988·2 cites·11 claims
- 2731US5973716AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1996·Granted Oct 26, 1999·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →