Inventor · disambiguated record
Keiji Takeda
Also filed as: MATSUMOTO KENJI · TAKEDA KEIJI
45 granted patents·14 pending applications·630 citations·filing 1975–2021
98Inventor score
Files withFUJI PHOTO FILM CO LTD30TORAY INDUSTRIES10TDK CORP7NIPPON TELEGRAPH & TELEPHONE5TOYO TIRE & RUBBER CO2
Top patents by PatentIndex Score
59 records- 0197US4624910AImage recording processFUJI PHOTO FILM CO LTD·Filed 1985·Granted Nov 25, 1986·51 cites·9 claims
- 0296US4349617AFunction separated type electrophotographic light-sensitive members and process for production thereofFUJI PHOTO FILM CO LTD·Filed 1980·Granted Sep 14, 1982·68 cites·27 claims
- 0392US4649098AImage recording process using both silver halide and vinyl monomersFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 10, 1987·71 cites·19 claims
- 0489US4050936AImage forming process with photopolymer layers between a support and a substrateFUJI PHOTO FILM CO LTD·Filed 1975·Granted Sep 27, 1977·43 cites·25 claims
- 0587US5328800AColor image forming method using silver halide, reducing agent, polymerizable compound and colorantFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jul 12, 1994·57 cites·2 claims
- 0686US4058443ARecording materialFUJI PHOTO FILM CO LTD·Filed 1975·Granted Nov 15, 1977·44 cites·10 claims
- 0783US4356246AMethod of making α-silicon powder, and electrophotographic materials incorporating said powderFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 26, 1982·25 cites·4 claims
- 0882US11798717B2R-T-B based rare earth permanent magnetTDK CORP·Filed 2019·Granted Oct 24, 2023·2 cites·6 claims
- 0978US10566117B2R-T-B based rare earth permanent magnetTDK CORP·Filed 2017·Granted Feb 18, 2020·1 cites·3 claims
- 1078US4157261ATransfer process with polyester (meth)acrylate as photopolymerFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jun 5, 1979·20 cites·12 claims
- 1177US7436398B2Operating deviceHONDA MOTOR CO LTD·Filed 2004·Granted Oct 14, 2008·27 cites·10 claims
- 1276US4062685ANon-silver halide light-sensitive material sensitized by colloidal elementsFUJI PHOTO FILM CO LTD·Filed 1976·Granted Dec 13, 1977·11 cites·16 claims
- 1375US10799136B2Bioelectrode and garmentNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Oct 13, 2020·3 cites·11 claims
- 1472US4784932AImage-forming method employing light-sensitive material and image-receiving materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Nov 15, 1988·21 cites·10 claims
- 1569US7592055B2Moisture-permeable waterproof film, composite material, and processes for producing theseTORAY INDUSTRIES·Filed 2004·Granted Sep 22, 2009·7 cites·6 claims
- 1669US4632899APhotopolymerizable image-recording process of producing a visible imageFUJI PHOTO FILM CO LTD·Filed 1984·Granted Dec 30, 1986·24 cites·14 claims
- 1767US4184874APhotosensitive composition containing chelate compoundFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 22, 1980·8 cites·13 claims
- 1867US4130426AHeat developable light-sensitive diazotype materials and process of useFUJI PHOTO FILM CO LTD·Filed 1975·Granted Dec 19, 1978·8 cites·10 claims
- 1964US5122443AMethod of exposing and heating a light-sensitive material comprising polymerizable layer and light-sensitive layer provided on supportFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jun 16, 1992·18 cites·17 claims
- 2063US5053312AImage-receiving material and image-forming method employing the sameFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 1, 1991·15 cites·6 claims
- 2161US10918334B2Wearable electrodeNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Feb 16, 2021·1 cites·3 claims
- 2260US10784029B2R-T-B based permanent magnetTDK CORP·Filed 2018·Granted Sep 22, 2020·0 cites·9 claims
- 2359US2011015310A1Polyester fibers, process for producing the same, and textile structure employing the sameSHIMIZU TAKEO·Filed 2008·Application pending·0 cites
- 2458US4245027ALight-sensitive image recording material and dry process for recording light image using the sameFUJI PHOTO FILM CO LTD·Filed 1978·Granted Jan 13, 1981·14 cites·25 claims
- 2558US2016137813A1Method for producing polyester fibersTORAY INDUSTRIES·Filed 2016·Application pending·0 cites
- 2657US4188212AElectric current conductive composition, image recording element containing the same and process for recording images using the sameFUJI PHOTO FILM CO LTD·Filed 1977·Granted Feb 12, 1980·12 cites·55 claims
- 2755US5290659ALight-sensitive material comprising light-sensitive layer, polymerizable layer and image formation accelerating layer provided on supportFUJI PHOTO FILM CO LTD·Filed 1991·Granted Mar 1, 1994·12 cites·19 claims
- 2855US2019144644A1Rubber composition for tires, and pneumatic tire using the sameTOYO TIRE & RUBBER CO·Filed 2018·Application pending·0 cites
- 2954US2019144645A1Rubber composition for tires, and pneumatic tire using the sameTOYO TIRE & RUBBER CO·Filed 2018·Application pending·0 cites
- 3053US11120931B2R-T-B based permanent magnetTDK CORP·Filed 2018·Granted Sep 14, 2021·0 cites·6 claims
- 3153US2022018043A1Fibrous structure containing elastic polyurethane yarnTORAY INDUSTRIES·Filed 2021·Application pending·0 cites
- 3252US5326667AImage forming method and light-sensitive material using silver halide, reducing agent and polymerizable compoundFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jul 5, 1994·11 cites·22 claims
- 3352US2013263384A1Processing agent for polyester fiber structure and production method for polyester fiber structure using sameHARADA MASARU·Filed 2011·Application pending·0 cites
- 3450US11837915B2R-T-B-based magnet, motor, and generatorTDK CORP·Filed 2019·Granted Dec 5, 2023·0 cites·9 claims
- 3550US4076530ADry photographic copying method for producing Te imagesFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 28, 1978·4 cites·16 claims
- 3649US10529474B2Rare-earth permanent magnetTDK CORP·Filed 2015·Granted Jan 7, 2020·0 cites·12 claims
- 3749US2008108738A1Resin Composition and Fiber Structure ObjectSUZUKI TOSHIYUKI·Filed 2006·Application pending·0 cites
- 3848US10966656B2Electric conductive fiber structure, electrode member, and method of producing electric conductive fiber structureTORAY INDUSTRIES·Filed 2017·Granted Apr 6, 2021·0 cites·11 claims
- 3948US2020283949A1Soil resistant fiber structureTORAY INDUSTRIES·Filed 2018·Application pending·0 cites
- 4047US4121938APhotographic material containing TiO2, soluble Cu(II) salt, and soluble silver salt and the use thereof in physical developmentFUJI PHOTO FILM CO LTD·Filed 1977·Granted Oct 24, 1978·3 cites·13 claims
- 4147US2008081899A1Polyarylene Sulfonepolyarylene Sulfide Oxide, Solid Article And Production Method ThereofTORAY INDUSTRIES·Filed 2004·Application pending·0 cites
- 4246US5166040AMethod of forming a polymer imageFUJI PHOTO FILM CO LTD·Filed 1989·Granted Nov 24, 1992·7 cites·8 claims
- 4346US2013011450A1Deodorizing fiber structureTORAY INDUSTRIES·Filed 2011·Application pending·0 cites
- 4445US2019343083A1Measuring instrument and biological information measuring systemSHARP KK·Filed 2018·Application pending·0 cites
- 4544US10614937B2R-T-B based rare earth permanent magnetTDK CORP·Filed 2017·Granted Apr 7, 2020·0 cites·4 claims
- 4643US10772524B2Biomedical electrode and wearable electrodeNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Sep 15, 2020·0 cites·8 claims
- 4743US5041353AProcess for preparation of light-sensitive material containing silver halide, reducing agent, precursor and polymerizable compoundFUJI PHOTO FILM CO LTD·Filed 1990·Granted Aug 20, 1991·6 cites·20 claims
- 4842US10513820B2Stainproof fiber structureTORAY INDUSTRIES·Filed 2016·Granted Dec 24, 2019·0 cites·7 claims
- 4942US4172180AHeat sensitive color forming and heat sensitive electrical conductivity increasing composition and heat sensitive image recording sheet using the sameFUJI PHOTO FILM CO LTD·Filed 1978·Granted Oct 23, 1979·6 cites·13 claims
- 5040US4970307AProcess for formation of base and light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Nov 13, 1990·3 cites·4 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →