Inventor · disambiguated record
Takashi Koizumi
Also filed as: KOIZUMI TAKASHI
60 granted patents·5 pending applications·1,250 citations·filing 1980–2022
99Inventor score
Files withFUJI PHOTO FILM CO LTD30TOSHIBA KK5NITTO DENKO CORP4PEARL MUSICAL INSTRUMENT CO4MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3
Top patents by PatentIndex Score
65 records- 0196US6880681B2Brake drum and method for producing the sameHONDA MOTOR CO LTD·Filed 2001·Granted Apr 19, 2005·58 cites·6 claims
- 0296US6564445B1Magnetic head manufacturing methodTOSHIBA KK·Filed 2000·Granted May 20, 2003·68 cites·13 claims
- 0395US9133923B2Rotary actuatorNABTESCO CORP·Filed 2012·Granted Sep 15, 2015·11 cites·6 claims
- 0495US6904844B2Printing plate removing/supplying deviceFUJI PHOTO FILM CO LTD·Filed 2004·Granted Jun 14, 2005·45 cites·20 claims
- 0595US5077010ALong-test-film cassette for biochemical analysis, and system for loading the sameFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 31, 1991·134 cites·22 claims
- 0694US6729237B2Device for removing image recording materialFUJI PHOTO FILM CO LTD·Filed 2002·Granted May 4, 2004·47 cites·16 claims
- 0793US4584275AIncubatorFUJI PHOTO FILM CO LTD·Filed 1982·Granted Apr 22, 1986·92 cites·20 claims
- 0892US7458212B2Back-pressure valve and actuation systemNABTESCO CORP·Filed 2005·Granted Dec 2, 2008·21 cites·5 claims
- 0990US10672370B2Rotation stopper for cymbal padPEARL MUSICAL INSTRUMENT CO·Filed 2019·Granted Jun 2, 2020·5 cites·10 claims
- 1090US6729837B1Sheet feeder and sheet feeding methodFUJI PHOTO FILM CO LTD·Filed 2000·Granted May 4, 2004·27 cites·6 claims
- 1189US6636390B2Magnetic head and magnetic recording and reproducing systemTOSHIBA KK·Filed 2001·Granted Oct 21, 2003·32 cites·19 claims
- 1289US6304415B1Magnetic headTOSHIBA KK·Filed 2000·Granted Oct 16, 2001·24 cites·12 claims
- 1388US6966966B2Protective sheet peeling device and protective sheet peeling methodFUJI PHOTO FILM CO LTD·Filed 2003·Granted Nov 22, 2005·37 cites·19 claims
- 1487US6623003B1Sheet material stacking device and automatic exposure device for a printing plateFUJI PHOTO FILM CO LTD·Filed 2000·Granted Sep 23, 2003·26 cites·15 claims
- 1587US6607192B2Sheet feeder and sheet feeding method for plate-shaped membersFUJI PHOTO FILM CO LTD·Filed 2001·Granted Aug 19, 2003·24 cites·20 claims
- 1686US6651561B2Apparatus and method for feeding printing plate precursorsFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 25, 2003·26 cites·20 claims
- 1786US6530322B1Suction transport device of a printing plateFUJI PHOTO FILM CO LTD·Filed 2000·Granted Mar 11, 2003·25 cites·24 claims
- 1885US6619208B2Conveying device using suction adherence for printing platesFUJI PHOTO FILM CO LTD·Filed 2001·Granted Sep 16, 2003·22 cites·24 claims
- 1985US4954319AMechanism for supplying analytical tape for biochemical analysis by predetermined lengthFUJI PHOTO FILM CO LTD·Filed 1988·Granted Sep 4, 1990·44 cites·9 claims
- 2084US6108167AMagnetic headTOSHIBA KK·Filed 1998·Granted Aug 22, 2000·35 cites·7 claims
- 2183US4801434ADual pipette deviceFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jan 31, 1989·50 cites·18 claims
- 2282US7563822B2Agents for the prevention or treatment of renal diseasesKISSEI PHARMACEUTICAL·Filed 2003·Granted Jul 21, 2009·23 cites·11 claims
- 2382US6662725B1Positioning method and positioning device for positioning printing plate relative to surface plateFUJI PHOTO FILM CO LTD·Filed 2000·Granted Dec 16, 2003·22 cites·23 claims
- 2482US5134430AConveyor rack for conveying sensitized material, and a method of operating the conveyor rackFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jul 28, 1992·12 cites·20 claims
- 2581US7855250B2Filling foam composition, foam filling member, and filling foamNITTO DENKO CORP·Filed 2008·Granted Dec 21, 2010·3 cites·9 claims
- 2681US6739550B2Flight control surface control unitTEIJIN SEIKI CO LTD·Filed 2002·Granted May 25, 2004·36 cites·6 claims
- 2781US5004582ABiochemical analysis apparatusFUJI PHOTO FILM CO LTD·Filed 1988·Granted Apr 2, 1991·45 cites·13 claims
- 2877US9447785B2Rotary actuatorNABTESCO CORP·Filed 2013·Granted Sep 20, 2016·2 cites·7 claims
- 2977US4589215AApparatus for after-treating polyolefin powderCHISSO CORP·Filed 1984·Granted May 20, 1986·32 cites·5 claims
- 3076US6935238B2Image recording material conveying device and automatic image recording systemFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 30, 2005·16 cites·15 claims
- 3176US6751846B2Magnetic head manufacturing methodTOSHIBA KK·Filed 2003·Granted Jun 22, 2004·9 cites·2 claims
- 3272US5178835ABiochemical analysis apparatusFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jan 12, 1993·39 cites·8 claims
- 3366US6457414B1Printing plate discharging method and printing plate discharging deviceFUJI PHOTO FILM CO LTD·Filed 2000·Granted Oct 1, 2002·5 cites·32 claims
- 3465US9024920B2Drive voltage generatorKOJIMA HIROSHI·Filed 2011·Granted May 5, 2015·1 cites·3 claims
- 3564US7684649B2Brightness signal processing apparatusPANASONIC CORP·Filed 2005·Granted Mar 23, 2010·2 cites·10 claims
- 3663US9459609B2Actuator monitoring circuit, controller, and actuator unitKOIZUMI TAKASHI·Filed 2010·Granted Oct 4, 2016·5 cites·7 claims
- 3761US5841317ADifferential amplifier circuit with a high through put rate and reduced power consumptionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 24, 1998·23 cites·20 claims
- 3860US7258209B2Brake drum and method for producing the sameHONDA MOTOR CO LTD·Filed 2004·Granted Aug 21, 2007·2 cites·3 claims
- 3960US2023058984A1Battery coverNITTO DENKO CORP·Filed 2020·Application pending·0 cites
- 4058US6800868B2Device for discriminating among print mediaFUJI PHOTO FILM CO LTD·Filed 2001·Granted Oct 5, 2004·6 cites·23 claims
- 4157US6059228AHydraulic systemTEIJIN SEIKI CO LTD·Filed 1998·Granted May 9, 2000·31 cites·17 claims
- 4256US7780778B2Pigment dispersion and paintNIPPON POINT CO LTD·Filed 2005·Granted Aug 24, 2010·1 cites·8 claims
- 4354US12100373B2Snare drum strainer structurePEARL MUSICAL INSTR COMPANY·Filed 2022·Granted Sep 24, 2024·0 cites·20 claims
- 4454US11990109B2Holder system for a drumPEARL MUSICAL INSTRUMENT CO·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 4554US6964228B2Conveying deviceFUJI PHOTO FILM CO LTD·Filed 2003·Granted Nov 15, 2005·4 cites·16 claims
- 4653US10770041B2Kick padPEARL MUSICAL INSTRUMENT CO·Filed 2019·Granted Sep 8, 2020·0 cites·9 claims
- 4753US4365795ASheet orthogonal-conveying method and deviceFUJI PHOTO FILM CO LTD·Filed 1980·Granted Dec 28, 1982·9 cites·10 claims
- 4852US6177917B1Liquid crystal display device and method for driving the sameSHARP KK·Filed 1998·Granted Jan 23, 2001·16 cites·8 claims
- 4951US6929258B2Sheet feeder and sheet feeding methodFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 16, 2005·2 cites·3 claims
- 5049US6520692B2Exposure apparatus for printing platesFUJI PHOTO FILM CO LTD·Filed 2001·Granted Feb 18, 2003·2 cites·29 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →