Inventor · disambiguated record
Koji Wada
Also filed as: WADA KOJI
90 granted patents·14 pending applications·926 citations·filing 1975–2025
99Inventor score
Files withCANON KK34MITSUBISHI ELECTRIC CORP12FUJI PHOTO FILM CO LTD10JST MFG CO LTD7KOBE STEEL LTD7
Top patents by PatentIndex Score
104 records- 0198US11698601B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Jul 11, 2023·4 cites·80 claims
- 0298US11693355B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2021·Granted Jul 4, 2023·4 cites·21 claims
- 0398US11422484B2Cartridge, supply container, and image forming apparatusCANON KK·Filed 2020·Granted Aug 23, 2022·6 cites·28 claims
- 0498US11314199B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Apr 26, 2022·8 cites·72 claims
- 0598US11307529B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Apr 19, 2022·8 cites·102 claims
- 0698US10386786B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Aug 20, 2019·16 cites·30 claims
- 0798US9207581B2Developer accommodating unit, developing device, process cartridge and image forming apparatusCANON KK·Filed 2014·Granted Dec 8, 2015·48 cites·22 claims
- 0897US11467514B2Image forming apparatus and image forming systemCANON KK·Filed 2021·Granted Oct 11, 2022·8 cites·5 claims
- 0997US11131960B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Sep 28, 2021·12 cites·23 claims
- 1096US9367031B2Process cartridgeCANON KK·Filed 2015·Granted Jun 14, 2016·15 cites·9 claims
- 1195US11774881B2Toner container having a base portion with a discharge opening and a holeCANON KK·Filed 2022·Granted Oct 3, 2023·3 cites·10 claims
- 1295US11573521B2Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unitCANON KK·Filed 2021·Granted Feb 7, 2023·2 cites·11 claims
- 1395US11199794B2Conveyance unit, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Dec 14, 2021·3 cites·16 claims
- 1495US8874010B2Toner container, developing apparatus, process cartridge, and image forming apparatusWADA KOJI·Filed 2011·Granted Oct 28, 2014·20 cites·16 claims
- 1594US11487242B2Image forming apparatusCANON KK·Filed 2021·Granted Nov 1, 2022·2 cites·5 claims
- 1693US10509361B2Image forming apparatus and cartridge mountable on the sameCANON KK·Filed 2018·Granted Dec 17, 2019·7 cites·8 claims
- 1792US12111601B2Image forming apparatus having an opening/closing member that is prevented from closing when a replenishment container is attached to a process unitCANON KK·Filed 2023·Granted Oct 8, 2024·1 cites·12 claims
- 1892US6027629AVacuum chamber made of aluminum or its alloys, and surface treatment and material for the vacuum chamberKOBE STEEL LTD·Filed 1995·Granted Feb 22, 2000·83 cites·37 claims
- 1991US10170737B2Battery holder, battery unit, and battery component including battery holder and battery unitSHIMANO KK·Filed 2017·Granted Jan 1, 2019·7 cites·25 claims
- 2091US7057706B2Exposure deviceFUJI PHOTO FILM CO LTD·Filed 2005·Granted Jun 6, 2006·13 cites·11 claims
- 2191US6196174B1Valve timing control system for internal combustion engineMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Mar 6, 2001·33 cites·6 claims
- 2290US6686053B2AL alloy member having excellent corrosion resistanceKOBE STEEL LTD·Filed 2002·Granted Feb 3, 2004·26 cites·4 claims
- 2390US5764092ADelay clock generator for generating a plurality of delay clocks delaying the basic clockNEC·Filed 1996·Granted Jun 9, 1998·88 cites·3 claims
- 2489US12372918B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2024·Granted Jul 29, 2025·0 cites·27 claims
- 2589US12282289B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2024·Granted Apr 22, 2025·0 cites·27 claims
- 2689US7052434B2Throttle opening degree control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted May 30, 2006·42 cites·24 claims
- 2788US12140904B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2024·Granted Nov 12, 2024·0 cites·28 claims
- 2888US7275525B2Control apparatus for an internal combustion engineMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Oct 2, 2007·24 cites·7 claims
- 2988US6521046B2Chamber material made of Al alloy and heater blockKOBE STEEL LTD·Filed 2001·Granted Feb 18, 2003·26 cites·13 claims
- 3087US11506996B2Conveyance unit, process cartridge, and image forming apparatusCANON KK·Filed 2021·Granted Nov 22, 2022·1 cites·20 claims
- 3187US6517761B2Method for embedding part in base made of thermoplastic resinSMC CORP·Filed 2001·Granted Feb 11, 2003·25 cites·15 claims
- 3287US4068018AProcess for preparing a mask for use in manufacturing a semiconductor deviceNIPPON ELECTRIC CO·Filed 1975·Granted Jan 10, 1978·70 cites·9 claims
- 3385US12140903B2Cartridge, member constituting cartridge, and image forming apparatusCANON KK·Filed 2023·Granted Nov 12, 2024·0 cites·72 claims
- 3485US11101516B2Battery holder, battery unit, and battery component including battery holder and battery unitSHIMANO KK·Filed 2017·Granted Aug 24, 2021·2 cites·27 claims
- 3583US12429798B2Cartridge, supply container, and image forming apparatusCANON KK·Filed 2023·Granted Sep 30, 2025·0 cites·11 claims
- 3683US9270008B2Transmission line resonator, bandpass filter using transmission line resonator, multiplexer, balanced-to-unbalanced transformer, power divider, unbalanced-to-balanced transformer, frequency mixer, and balance-type filterWADA KOJI·Filed 2012·Granted Feb 23, 2016·6 cites·22 claims
- 3783US7171943B1Control apparatus for an internal combustion engineMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Feb 6, 2007·9 cites·4 claims
- 3882US2024427281A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3980US12298706B2Image forming apparatus with detectable cartridgeCANON KK·Filed 2023·Granted May 13, 2025·0 cites·24 claims
- 4079US11821101B2Film, film forming method, and surface-coated materialTOYOTA MOTOR CO LTD·Filed 2021·Granted Nov 21, 2023·0 cites·2 claims
- 4179US6924883B2Exposure deviceFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 2, 2005·21 cites·18 claims
- 4278US11846895B2Cartridge, supply container, and image forming apparatusCANON KK·Filed 2022·Granted Dec 19, 2023·0 cites·20 claims
- 4376US11841674B2Image forming apparatusCANON KK·Filed 2022·Granted Dec 12, 2023·0 cites·14 claims
- 4476US2025316930A1Shield connectorJST MFG CO LTD·Filed 2025·Application pending·0 cites
- 4576US2025316933A1Shield connectorJST MFG CO LTD·Filed 2025·Application pending·0 cites
- 4675US12422765B2Toner container including a pouch and portions supporting the pouchCANON KK·Filed 2023·Granted Sep 23, 2025·0 cites·8 claims
- 4775US8404059B2Aluminum alloy for anodizing having durability, contamination resistance and productivity, method for producing the same, aluminum alloy member having anodic oxide coating, and plasma processing apparatusWADA KOJI·Filed 2007·Granted Mar 26, 2013·2 cites·19 claims
- 4873US6761138B2Valve timing control apparatus for internal combustion engineMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 13, 2004·13 cites·10 claims
- 4972US12024448B2Solid-liquid separation deviceAMCON INC·Filed 2019·Granted Jul 2, 2024·2 cites·5 claims
- 5071US11846894B2Image forming apparatus and image forming systemCANON KK·Filed 2022·Granted Dec 19, 2023·0 cites·5 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →