Inventor · disambiguated record
Katsuhiko Maeda
Also filed as: MAEDA KATSUHIKO
45 granted patents·4 pending applications·656 citations·filing 1979–2022
98Inventor score
Top patents by PatentIndex Score
49 records- 0198US6249304B1Image forming apparatus and image forming method for forming color images by gray-level image forming techniqueRICOH KK·Filed 1997·Granted Jun 19, 2001·141 cites·19 claims
- 0296US4235043AMethod for cultivating algae and a covering material used thereforNIPPON CARBIDE KOGYO KK·Filed 1979·Granted Nov 25, 1980·155 cites·9 claims
- 0394US7415231B2Color image forming apparatus and methodRICOH KK·Filed 2005·Granted Aug 19, 2008·16 cites·11 claims
- 0490US7313352B2Image forming apparatus, method of controlling same, machine-readable medium and process cartridgeRICOH KK·Filed 2005·Granted Dec 25, 2007·30 cites·34 claims
- 0589US8305416B2Image forming apparatus, optical writing process control method, and optical writing process control programMAEDA KATSUHIKO·Filed 2010·Granted Nov 6, 2012·10 cites·18 claims
- 0688US11126108B2Image forming apparatus and image forming method for correcting a position of a target imageMAEDA KATSUHIKO·Filed 2020·Granted Sep 21, 2021·2 cites·14 claims
- 0786US7627277B2Image forming apparatus and image forming methodRICOH KK·Filed 2007·Granted Dec 1, 2009·8 cites·19 claims
- 0886US6833856B2Light beam magnification error auto correcting apparatus and methodRICOH KK·Filed 2000·Granted Dec 21, 2004·34 cites·72 claims
- 0985US7595812B2Image forming apparatus, printer apparatus, facsimile apparatus, and copying machineRICOH KK·Filed 2006·Granted Sep 29, 2009·8 cites·21 claims
- 1084US7760222B2Image forming apparatus and method with improved capabilities of correcting image magnification errorRICOH KK·Filed 2006·Granted Jul 20, 2010·13 cites·21 claims
- 1183US10732555B2Image forming apparatus with multiple image forming devices and configured to correct misalignment of sameMAEDA KATSUHIKO·Filed 2018·Granted Aug 4, 2020·2 cites·10 claims
- 1282US7294824B2Light beam scanning device, image forming apparatus, and light beam scanning methodRICOH KK·Filed 2005·Granted Nov 13, 2007·12 cites·25 claims
- 1382US6847390B2Method and apparatus for image forming capable of effectively adjusting an image recording start positionRICOH KK·Filed 2002·Granted Jan 25, 2005·22 cites·65 claims
- 1480US6831672B2Image forming apparatusRICOH KK·Filed 2003·Granted Dec 14, 2004·18 cites·30 claims
- 1579US7224378B2Method and apparatus for optical recording and image forming capable of correcting a magnification error in scanningRICOH KK·Filed 2004·Granted May 29, 2007·18 cites·48 claims
- 1678US6853392B2Image forming apparatus that adjusts image positional deviation without failRICOH KK·Filed 2003·Granted Feb 8, 2005·17 cites·80 claims
- 1777US7679634B2Method and apparatus for image forming capable of detecting a reference signal for a lighting controlRICOH KK·Filed 2006·Granted Mar 16, 2010·8 cites·18 claims
- 1877US7586510B2Image forming apparatus and image deviation correcting methodRICOH KK·Filed 2006·Granted Sep 8, 2009·8 cites·12 claims
- 1975US8866865B2Image forming apparatus and turn-on time correction methodMAEDA KATSUHIKO·Filed 2011·Granted Oct 21, 2014·2 cites·19 claims
- 2071US6137518AImage forming apparatus having an LED array head for forming image dots based on a pitch of the LEDsRICOH KK·Filed 1998·Granted Oct 24, 2000·38 cites·8 claims
- 2170US9436148B2Image forming apparatus and image forming methodMAEDA KATSUHIKO·Filed 2015·Granted Sep 6, 2016·1 cites·6 claims
- 2270US6292206B1Image forming apparatus and method of producing light quantity correction dataRICOH KK·Filed 1998·Granted Sep 18, 2001·36 cites·16 claims
- 2369US8422903B2Image forming apparatus and image forming methodMAEDA KATSUHIKO·Filed 2008·Granted Apr 16, 2013·3 cites·12 claims
- 2467US6999708B2Color image forming apparatus and methodRICOH KK·Filed 2004·Granted Feb 14, 2006·9 cites·71 claims
- 2566US8603339B2Activated sludge material, method for reducing excess sludge production in bioreactor, and method of controlling bioreactorMAEDA KATSUHIKO·Filed 2008·Granted Dec 10, 2013·1 cites·9 claims
- 2665US11880155B2Image forming apparatus, transfer device, and storage mediumMAEDA KATSUHIKO·Filed 2022·Granted Jan 23, 2024·0 cites·13 claims
- 2764US7215353B2Method and apparatus for image forming capable of effectively controlling a light beam with a pulse width modulationRICOH KK·Filed 2002·Granted May 8, 2007·6 cites·48 claims
- 2863US12055882B2Image forming apparatus, image forming method, and storage mediumMAEDA KATSUHIKO·Filed 2022·Granted Aug 6, 2024·0 cites·8 claims
- 2963US9063455B2Light-emitting substrate, method for manufacturing the same, optical writing device, and image forming apparatusMAEDA KATSUHIKO·Filed 2013·Granted Jun 23, 2015·1 cites·8 claims
- 3063US7940422B2Image forming apparatusRICOH CO LTD·Filed 2007·Granted May 10, 2011·2 cites·17 claims
- 3161US7508408B2Image forming apparatus capable of effectively initializing a laser drive circuitRICOH KK·Filed 2006·Granted Mar 24, 2009·2 cites·4 claims
- 3261US4467035ACultivation of phototrophic bacteria in the absence of ultraviolet lightNIPPON CARBIDE KOGYO KK·Filed 1980·Granted Aug 21, 1984·19 cites·12 claims
- 3360US7742377B2Image forming method, apparatus and computer-readable recording medium having image forming programRICOH KK·Filed 2007·Granted Jun 22, 2010·1 cites·12 claims
- 3458US9310708B2Optical scanning device, image forming apparatus, and optical scanning methodMAEDA KATSUHIKO·Filed 2014·Granted Apr 12, 2016·0 cites·9 claims
- 3555US11592774B2Image forming apparatus and image forming methodMAEDA KATSUHIKO·Filed 2021·Granted Feb 28, 2023·0 cites·20 claims
- 3654US2012118360A1Solar cell module, solar cell panel, process for producing solar cell module, and process for producing solar cell panelMAEDA KATSUHIKO·Filed 2009·Application pending·0 cites
- 3753US9312558B2Fuel cell, method for manufacturing the same, and application apparatus used for manufacturing the sameMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Apr 12, 2016·0 cites·13 claims
- 3853US2012103401A1Solar cell panelKITAMURA TAKASHI·Filed 2009·Application pending·0 cites
- 3949US9170516B2Image forming apparatus and image forming methodSHUKUYA YUICHIRO·Filed 2013·Granted Oct 27, 2015·0 cites·9 claims
- 4047US12061433B2Image forming apparatus and method of correcting image positional deviationMAEDA KATSUHIKO·Filed 2021·Granted Aug 13, 2024·0 cites·17 claims
- 4147US2022373957A1Image forming apparatus and image forming methodMAEDA KATSUHIKO·Filed 2022·Application pending·0 cites
- 4247US2007210245A1Optical scanning device and image forming apparatusMAEDA KATSUHIKO·Filed 2007·Application pending·0 cites
- 4346US9242478B2Writing controlling apparatus, image forming apparatus, and computer program productSUZUKI MASASHI·Filed 2013·Granted Jan 26, 2016·0 cites·14 claims
- 4445US9332655B2Electronic circuit, light source device, and method of manufacturing electronic circuitBASHO HIROYUKI·Filed 2013·Granted May 3, 2016·0 cites·13 claims
- 4542US10379455B2Image forming apparatusMAEDA KATSUHIKO·Filed 2018·Granted Aug 13, 2019·0 cites·11 claims
- 4639US9857723B2Light beam scanning apparatus and light beam scanning methodHONDA YUKI·Filed 2016·Granted Jan 2, 2018·0 cites·10 claims
- 4739US5466510AStructure, method of preventing adhesion of adhesive substance, and method of preventing adhesion of non-vulcanized rubberTOKYO SILICONE CO LTD·Filed 1994·Granted Nov 14, 1995·7 cites·6 claims
- 4837US10089559B2Scanner, image forming apparatus, and scanning methodMAEDA KATSUHIKO·Filed 2016·Granted Oct 2, 2018·0 cites·13 claims
- 4934US5635002AMethod of preventing adhesion of adhesive substance, and method of preventing adhesion of non-vulcanized rubberTOKYO SILICONE CO LTD·Filed 1995·Granted Jun 3, 1997·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →