Inventor · disambiguated record
Takashi Kitagawa
Also filed as: KITAGAWA TAKASHI
41 granted patents·19 pending applications·360 citations·filing 1976–2023
97Inventor score
Top patents by PatentIndex Score
60 records- 0196US11183054B1Information processing device, information processing system, information processing method, and storage mediumTOYOTA MOTOR CO LTD·Filed 2021·Granted Nov 23, 2021·5 cites·4 claims
- 0288US11718099B2Ink tank and image recording apparatusBROTHER IND LTD·Filed 2021·Granted Aug 8, 2023·1 cites·7 claims
- 0386US7498559B2Optical discharge apparatus and image forming apparatus containing the sameSHARP KK·Filed 2005·Granted Mar 3, 2009·9 cites·8 claims
- 0485US7657194B2Image forming apparatus and toner supply control program for the sameSHARP KK·Filed 2007·Granted Feb 2, 2010·8 cites·12 claims
- 0584US6215968B1Image forming apparatus with half-tone density controlSHARP KK·Filed 2000·Granted Apr 10, 2001·33 cites·26 claims
- 0683US7251422B2Image correction method and image forming apparatusSHARP KK·Filed 2005·Granted Jul 31, 2007·7 cites·20 claims
- 0781US6847791B2Image formation controlling method and image forming apparatusSHARP KK·Filed 2003·Granted Jan 25, 2005·21 cites·10 claims
- 0879US6223007B1Image forming apparatusSHARP KK·Filed 2000·Granted Apr 24, 2001·19 cites·6 claims
- 0978US9625685B2Automobile window glassASAHI GLASS CO LTD·Filed 2013·Granted Apr 18, 2017·4 cites·13 claims
- 1078US6678491B2Optical electric charge removal device and image formation apparatus including the sameSHARP KK·Filed 2002·Granted Jan 13, 2004·17 cites·16 claims
- 1176US6269365B1Integrated database systemCANON KK·Filed 1997·Granted Jul 31, 2001·60 cites·15 claims
- 1276US6138116AMethod and apparatus for retrieving dataCANON KK·Filed 1997·Granted Oct 24, 2000·61 cites·36 claims
- 1374US8304538B2Method of producing benzoxazinone-based compoundKIMURA KEIZO·Filed 2008·Granted Nov 6, 2012·2 cites·7 claims
- 1474US7616912B2Image forming apparatus including a charger and intake/exhaustSHARP KK·Filed 2006·Granted Nov 10, 2009·4 cites·28 claims
- 1571US8748520B2Polycarbonate resin composition containing triazine compound and molded article using the sameKITAGAWA TAKASHI·Filed 2010·Granted Jun 10, 2014·2 cites·16 claims
- 1669US7272332B2Image forming apparatus and density correction data creation method used thereinSHARP KK·Filed 2005·Granted Sep 18, 2007·3 cites·14 claims
- 1767US8078069B2Image forming apparatus and image forming methodOTSUKA MASAYUKI·Filed 2008·Granted Dec 13, 2011·3 cites·7 claims
- 1866US4700219AColor imaging apparatusNEC CORP·Filed 1985·Granted Oct 13, 1987·21 cites·8 claims
- 1965US7920801B2Image forming apparatus and method for controlling image forming apparatusSHARP KK·Filed 2009·Granted Apr 5, 2011·2 cites·12 claims
- 2063US8264755B2Image forming apparatus and image forming methodNAGAYAMA KATSUHIRO·Filed 2009·Granted Sep 11, 2012·2 cites·9 claims
- 2163US6516162B2Image forming apparatus with automatic density compensationSHARP KK·Filed 2001·Granted Feb 4, 2003·9 cites·10 claims
- 2262US7889365B2Image forming apparatusSHARP KK·Filed 2008·Granted Feb 15, 2011·1 cites·19 claims
- 2360US7675649B2Image forming electrophotography apparatus setting conditions for process control based on a total toner quantity equivalent valueSHARP KK·Filed 2006·Granted Mar 9, 2010·2 cites·9 claims
- 2460US6347315B1Method and apparatus for selecting and utilizing one of computers or databasesCANON KK·Filed 1998·Granted Feb 12, 2002·38 cites·28 claims
- 2558US12388804B2Cryptosystem and cryptographic service methodsRENESAS ELECTRONICS CORP·Filed 2023·Granted Aug 12, 2025·0 cites·8 claims
- 2658US12017883B2Sheet conveying device and image recording apparatusBROTHER IND LTD·Filed 2020·Granted Jun 25, 2024·0 cites·12 claims
- 2757USD1084230SIsolation valveMATSUIKIKI IND CO LTD·Filed 2022·Granted Jul 15, 2025·2 cites·1 claims
- 2857US12272124B2Information processing device and information processing methodTOYOTA MOTOR CO LTD·Filed 2022·Granted Apr 8, 2025·0 cites·4 claims
- 2956US12380803B2Stop detection device and stop detection methodTOYOTA MOTOR CO LTD·Filed 2022·Granted Aug 5, 2025·0 cites·6 claims
- 3055US8625162B2Image processing apparatus and image forming apparatus with a toner density correction functionYASUOKA NORIHIDE·Filed 2011·Granted Jan 7, 2014·1 cites·8 claims
- 3154US11370452B2Driving action determination device, driving action determination method and non-transitory storage medium storing a driving action determination programTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·15 claims
- 3254US6334129B1Data processing apparatus and methodCANON KK·Filed 1999·Granted Dec 25, 2001·20 cites·13 claims
- 3352US2024007270A1Cryptographic key installation methodRENESAS ELECTRONICS CORP·Filed 2023·Application pending·0 cites
- 3448US11739981B1Isolation valveMATSUIKIKI IND CO LTD·Filed 2022·Granted Aug 29, 2023·0 cites·15 claims
- 3548US2021394759A1Information processing device, information processing system, information processing method, and programTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 3648US2024142008A1Isolation valveMATSUIKIKI IND CO LTD·Filed 2023·Application pending·0 cites
- 3746US2024183469A1ValveMATSUIKIKI IND CO LTD·Filed 2022·Application pending·0 cites
- 3845US2006171001A1Image forming apparatusSHARP KK·Filed 2006·Application pending·0 cites
- 3944US11551491B2Driving evaluation device, driving evaluation system, driving evaluation method, and non-transitory storage mediumTOYOTA MOTOR CO LTD·Filed 2021·Granted Jan 10, 2023·0 cites·15 claims
- 4044US8660448B2Image forming apparatus and image forming methodOTSUKA MASAYUKI·Filed 2012·Granted Feb 25, 2014·0 cites·9 claims
- 4144US8019242B2Image forming apparatus and image forming method for suppressing fluctuation of formed imagesSHARP KK·Filed 2008·Granted Sep 13, 2011·0 cites·11 claims
- 4244US2021320365A1Battery holder and battery packDKS CO LTD·Filed 2019·Application pending·0 cites
- 4344US2006164692A1Image forming apparatusSHARP KK·Filed 2006·Application pending·0 cites
- 4444US2011059033A1Ultraviolet absorbing compositionFUJIFILM CORP·Filed 2010·Application pending·0 cites
- 4544US2021120142A1Pattern generation device, pattern generation method, and pattern forming deviceSHARP KK·Filed 2020·Application pending·0 cites
- 4643US9983532B2Image forming apparatus with density measuring portionSHARP KK·Filed 2016·Granted May 29, 2018·0 cites·3 claims
- 4743US8833204B2Reverse idler shaft supporting structure of transmissionSUZUKI MOTOR CORP·Filed 2013·Granted Sep 16, 2014·0 cites·4 claims
- 4843US7734229B2Toner replenishing method, toner replenishing apparatus, and computer readable recording mediumSHARP KK·Filed 2007·Granted Jun 8, 2010·0 cites·13 claims
- 4943US2003120555A1Information processing apparatus with optical data reader, servers, and electronic commerce methodFiled 2001·Application pending·0 cites
- 5043US2021406563A1Determination device, determination method, and storage medium storing programTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →