Inventor · disambiguated record
Seiji Kojima
Also filed as: KOJIMA SEIJI
40 granted patents·21 pending applications·384 citations·filing 1981–2025
97Inventor score
Files withHITACHI CABLE13PANASONIC IP MAN CO LTD12JAPAN SERVO9KOJIMA SEIJI4MIZUSAWA INDUSTRIAL CHEM4
Top patents by PatentIndex Score
61 records- 0194US12224087B2Stretchable cablePROTERIAL LTD·Filed 2023·Granted Feb 11, 2025·2 cites·14 claims
- 0293US7713036B2Roller-type liquid pumping apparatus with improved installation capabilityJAPAN SERVO·Filed 2005·Granted May 11, 2010·22 cites·9 claims
- 0392US7405391B2Modular sensor for damage detection, manufacturing method, and structural composite materialFUJI HEAVY IND LTD·Filed 2005·Granted Jul 29, 2008·34 cites·25 claims
- 0486US8678667B2Optical connectorKOREEDA YUICHI·Filed 2012·Granted Mar 25, 2014·9 cites·3 claims
- 0584US7589312B2Physical quantity measuring system with fiber Bragg grating sensor and arrayed waveguide gratingHITACHI CABLE·Filed 2007·Granted Sep 15, 2009·12 cites·10 claims
- 0683US8235604B2Optical connector and fiber moduleSUZUKI KANAKO·Filed 2010·Granted Aug 7, 2012·9 cites·9 claims
- 0782US2025098687A1Plant disease resistance inducing agent, plant disease resistance inducing method, and method for producing plant disease resistance inducing agentPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 0879US7459189B2Liquid crystal optical element and process for its productionASAHI GLASS CO LTD·Filed 2004·Granted Dec 2, 2008·20 cites·22 claims
- 0977US7903695B2Optical fiber laser and exciting method using sameHITACHI CABLE·Filed 2008·Granted Mar 8, 2011·5 cites·5 claims
- 1076US7771128B2Optical connectorHITACHI CABLE·Filed 2009·Granted Aug 10, 2010·7 cites·8 claims
- 1176US7470888B2Damage detection systemFUJI HEAVY IND LTD·Filed 2007·Granted Dec 30, 2008·8 cites·12 claims
- 1274US7037092B2Roller pump with housing having integrated reduction gear housingJAPAN SERVO·Filed 2002·Granted May 2, 2006·15 cites·16 claims
- 1373US6575936B1Liquid infusion apparatusJAPAN SERVO·Filed 2000·Granted Jun 10, 2003·52 cites·19 claims
- 1473US2025066801A1Modified promoter, expression vector, microorganism, method for producing substance, modified cyanobacterium, and method for preparing modified promoterPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 1571US2024060055A1Electron carrier, electron carrier production method, and electron transfer methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1670US2024057613A1Plant acidic invertase activator, production method thereof, and plant acidic invertase activation methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1770US2024057614A1Plant growth promoter production method, plant growth promoter, and plant growth promoting methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1869US2023397610A1Plant acidic invertase activator production method, plant acidic invertase activator, and plant acidic invertase activation methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1969US2024084245A1Modified cyanobacterium, modified cyanobacterium production method, and protein production methodPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 2068US8380028B2Composite cableHITACHI CABLE·Filed 2010·Granted Feb 19, 2013·2 cites·11 claims
- 2168US8213791B2Communication light detecting deviceKOJIMA SEIJI·Filed 2009·Granted Jul 3, 2012·5 cites·22 claims
- 2268US4405371ANovel clay mineral color developer for pressure sensitive recording paper and process for producing sameMIZUSAWA INDUSTRIAL CHEM·Filed 1981·Granted Sep 20, 1983·13 cites·20 claims
- 2368US2025012725A1Method for determining outer membrane detachment in cyanobacteria, apparatus for determining outer membrane detachment in cyanobacteria, and non-transitory computer-readable recording mediumPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 2465US2022322679A1Plant growth promoter production method, plant growth promoter, and plant growth promoting methodPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2564USD683705SGuide pin for optical connectorKATAGIYAMA NAOKI·Filed 2011·Granted Jun 4, 2013·13 cites·1 claims
- 2663US8469602B2Optical fiber connecting part and optical module using the sameKOJIMA SEIJI·Filed 2010·Granted Jun 25, 2013·2 cites·20 claims
- 2763US2022325312A1Modified cyanobacterium, modified cyanobacterium production method, and protein production methodPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2863US2022293990A1Electron carrier, electron carrier production method, and electron transfer methodPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2962US6179569B1Liquid transportation apparatusJAPAN SERVO·Filed 1998·Granted Jan 30, 2001·88 cites·19 claims
- 3061US7684449B2Optical fiber for fiber laser device and fiber laser device using sameHITACHI CABLE·Filed 2007·Granted Mar 23, 2010·1 cites·13 claims
- 3161US7333696B2Tape-shaped optical fiber cableHITACHI CABLE·Filed 2007·Granted Feb 19, 2008·4 cites·10 claims
- 3260US12442870B2Coupling capacitance estimation method, method for identifying corresponding ends of multicore cable, and method for manufacturing multicore cable assemblyHITACHI METALS LTD·Filed 2022·Granted Oct 14, 2025·0 cites·5 claims
- 3359US2024176057A1Peripheral surface-emitting linear light guide and method for manufacturing the samePROTERIAL LTD·Filed 2023·Application pending·0 cites
- 3458US2011318828A1Kit for preparation of antigen-specific cytotoxic lymphocytesSUZUKI SUSUMU·Filed 2009·Application pending·0 cites
- 3557US11674845B2Angle adjustment mechanism and fourier transform infrared spectrophotometer equipped with the sameSHIMADZU CORP·Filed 2020·Granted Jun 13, 2023·0 cites·5 claims
- 3657US6498633B1Color liquid crystal display device wherein the color polarizer having wavelength dependence of the polarizing efficiencyOPTREX KK·Filed 2000·Granted Dec 24, 2002·6 cites·5 claims
- 3757US4544604AHeat-sensitive recording paper and filler thereforMIZUSAWA INDUSTRIAL CHEM·Filed 1985·Granted Oct 1, 1985·12 cites·8 claims
- 3856US8262375B2Tube pump and rotor for tube pumpKOJIMA SEIJI·Filed 2008·Granted Sep 11, 2012·1 cites·2 claims
- 3956US2025147032A1Method for determining deprivation of outer membrane of cyanobacterium, apparatus for determining deprivation of outer membrane of cyanobacterium, and programPANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
- 4054US2008267229A1Optical fiber, optical fiber production method and optical fiber production systemHITACHI CABLE·Filed 2008·Application pending·0 cites
- 4153US4509064AHeat-sensitive recording paper and filler thereforMIZUSAWA INDUSTRIAL CHEM·Filed 1984·Granted Apr 2, 1985·6 cites·2 claims
- 4252US6746173B2Universal jointJAPAN SERVO·Filed 2002·Granted Jun 8, 2004·2 cites·3 claims
- 4351US2014127805A1Method for preparation of antigen-specific cytotoxic t lymphocytesCELL TECHNOLOGIES INC T·Filed 2013·Application pending·0 cites
- 4448US7903912B2Optical connectorHITACHI CABLE·Filed 2009·Granted Mar 8, 2011·0 cites·11 claims
- 4547US7813386B2Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laserHITACHI CABLE·Filed 2008·Granted Oct 12, 2010·0 cites·16 claims
- 4646US2007219495A1Control System for Liquid Infusion ApparatusJAPAN SERVO·Filed 2007·Application pending·0 cites
- 4745US2009052476A1Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laserHITACHI CABLE·Filed 2008·Application pending·0 cites
- 4844US2009052840A1Optical waveguide type optical coupling arrangementHITACHI CABLE·Filed 2008·Application pending·0 cites
- 4944US2006035494A1Apparatus for attaching and detaching connectorsJAPAN SERVO·Filed 2005·Application pending·0 cites
- 5042US7812934B2Physical quantity measuring apparatusHITACHI CABLE·Filed 2008·Granted Oct 12, 2010·0 cites·6 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →