Inventor · disambiguated record
Yoshiko Ogawa
Also filed as: OGAWA YOSHIKO
20 granted patents·5 pending applications·36 citations·filing 1991–2016
91Inventor score
Top patents by PatentIndex Score
25 records- 0184US9625851B2Developing device and image forming apparatus incorporating sameOSHIKAWA YUKI·Filed 2016·Granted Apr 18, 2017·2 cites·13 claims
- 0283US7831182B2Developing device, image forming apparatus, and development error detecting methodRICOH KK·Filed 2008·Granted Nov 9, 2010·7 cites·18 claims
- 0373US9158228B2Development device and image forming apparatus incorporating sameOGAWA YOSHIKO·Filed 2012·Granted Oct 13, 2015·2 cites·15 claims
- 0470US9921541B2Developing device, and image forming apparatus and process cartridge incorporating sameSHIMIZU YASUNOBU·Filed 2015·Granted Mar 20, 2018·1 cites·15 claims
- 0566US8965254B2Development device, and image forming apparatus and process cartridge incorporating sameOGAWA YOSHIKO·Filed 2012·Granted Feb 24, 2015·1 cites·13 claims
- 0664US7697875B2Development device for developing an electrostatic latent image formed on an image carrying member into a visible imageRICOH KK·Filed 2008·Granted Apr 13, 2010·2 cites·20 claims
- 0762US7791635B2Image forming apparatus and image forming methodRICOH KK·Filed 2008·Granted Sep 7, 2010·2 cites·9 claims
- 0861US9772579B2Developing device and image forming apparatus incorporating sameOSHIKAWA YUKI·Filed 2016·Granted Sep 26, 2017·0 cites·4 claims
- 0961US7885566B2Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating methodRICOH CO LTD·Filed 2007·Granted Feb 8, 2011·2 cites·7 claims
- 1060US8041241B2Image forming apparatus and image forming method which controls the exposing of an image carrier to change the exposure time period in the main scanning directionRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·2 cites·17 claims
- 1146US8041238B2Image forming apparatus, image forming method, and computer program productRICOH CO LTD·Filed 2009·Granted Oct 18, 2011·0 cites·15 claims
- 1244US8929782B2Development device, and image forming apparatus and process cartridge incorporating sameENDOU OSAMU·Filed 2012·Granted Jan 6, 2015·0 cites·9 claims
- 1343US9201336B2Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with tonerENDOU OSAMU·Filed 2013·Granted Dec 1, 2015·0 cites·26 claims
- 1442US2009274485A1Development device comprising process cartridge and image formation apparatus comprising development deviceADACHI TOMOYA·Filed 2009·Application pending·0 cites
- 1540US2013216250A1Development device and image forming apparatus incorporating sameSEKI HIDEYASU·Filed 2013·Application pending·0 cites
- 1638US2013216278A1Development device, and image forming apparatus and process cartridge incorporating sameOGAWA YOSHIKO·Filed 2013·Application pending·0 cites
- 1737US8588635B2Development device, process cartridge incorporating same, and image forming apparatus incorporating sameOGAWA YOSHIKO·Filed 2010·Granted Nov 19, 2013·0 cites·21 claims
- 1836US8594540B2Development device, process cartridge incorporating same, and image forming apparatus incorporating sameHIROTA TETSURO·Filed 2011·Granted Nov 26, 2013·0 cites·19 claims
- 1935US8948638B2Image forming apparatusISHIKURA YUJI·Filed 2011·Granted Feb 3, 2015·0 cites·20 claims
- 2035US8433211B2Developing device, process cartridge, and image forming apparatusHORIKE MASANORI·Filed 2010·Granted Apr 30, 2013·0 cites·19 claims
- 2135US5370980ASilver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1993·Granted Dec 6, 1994·1 cites·8 claims
- 2233US2013071148A1Development device and image forming apparatus incorporating sameISHIKURA YUUJI·Filed 2012·Application pending·0 cites
- 2332US5360674APermanent magnet coated with Ni or Ni alloy having a specific cell structure and growth patternHITACHI METALS LTD·Filed 1992·Granted Nov 1, 1994·2 cites·6 claims
- 2432US5291590AMethod of detecting and processing abnormal message output from computer system and detecting and processing apparatus thereforFUJITSU LTD·Filed 1991·Granted Mar 1, 1994·12 cites·10 claims
- 2532US2006280529A1Image forming method and apparatus for effectively conveying developerNAKAGAWA SHUUICHI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →