Assignee
RAILWAY TECHNICAL RES INST
JP·39 granted patents·522 citations·filing 1987–2019
Top patents by PatentIndex Score
39 records- 0190US10260585B2Brake disc and manufacturing method thereofRAILWAY TECHNICAL RES INST·Filed 2014·Granted Apr 16, 2019·10 cites·8 claims
- 0288US10062478B2Superconducting cable having outgoing coolant inside a conductor and return coolant outside the conductor, and device and method for cooling superconducting cableRAILWAY TECHNICAL RES INST·Filed 2012·Granted Aug 28, 2018·9 cites·8 claims
- 0385US6183667B1Titanium-and copper-containing carbon composite material and process for the production thereofRAILWAY TECHNICAL RES INST·Filed 2000·Granted Feb 6, 2001·25 cites·24 claims
- 0484US5059041AElectrical insulating bearingRAILWAY TECHNICAL RES INST·Filed 1990·Granted Oct 22, 1991·51 cites·4 claims
- 0582US4913059ALevitation, propulsion and guidance mechanism for inductive repulsion-type magnetically levitated railwayRAILWAY TECHNICAL RES INST·Filed 1989·Granted Apr 3, 1990·46 cites·5 claims
- 0669US5028494ABrake disk material for railroad vehicleRAILWAY TECHNICAL RES INST·Filed 1989·Granted Jul 2, 1991·21 cites·5 claims
- 0764US5657697ACoils for magnetic levitation apparatusRAILWAY TECHNICAL RES INST·Filed 1996·Granted Aug 19, 1997·47 cites·9 claims
- 0862US5287811AFlexible branching apparatus in superconducting magnetically levitated railway having variable cross-section main flexible beamRAILWAY TECHNICAL RES INST·Filed 1993·Granted Feb 22, 1994·19 cites·13 claims
- 0960US6722589B1Slip prevention particle injection deviceRAILWAY TECHNICAL RES INST·Filed 2001·Granted Apr 20, 2004·10 cites·5 claims
- 1059US10113591B2Magnetic fluid sealing structure for high-speed rotationRAILWAY TECHNICAL RES INST·Filed 2015·Granted Oct 30, 2018·1 cites·18 claims
- 1158US5302872ALinear magnetization mover motor due to linear force resulting from the interaction between magnetostatic induction element and electromagnetic coilRAILWAY TECHNICAL RES INST·Filed 1992·Granted Apr 12, 1994·31 cites·21 claims
- 1257US5204650ASwitch for controlling current flow in superconductorsRAILWAY TECHNICAL RES INST·Filed 1991·Granted Apr 20, 1993·19 cites·26 claims
- 1357US5178072AGround coil for magnetically levitated railway and method of producing the sameRAILWAY TECHNICAL RES INST·Filed 1991·Granted Jan 12, 1993·31 cites·3 claims
- 1456US5897996AMethod for degrading polychlorinated biphenyls and novel microorganismRAILWAY TECHNICAL RES INST·Filed 1998·Granted Apr 27, 1999·12 cites·7 claims
- 1555US11710590B2Superconducting coil device and method for producing sameRAILWAY TECHNICAL RES INST·Filed 2018·Granted Jul 25, 2023·0 cites·10 claims
- 1655US8001854B2Analytical sample drying method and drying apparatusRAILWAY TECHNICAL RES INST·Filed 2008·Granted Aug 23, 2011·0 cites·17 claims
- 1755US4955303ALinear motor feeder systemRAILWAY TECHNICAL RES INST·Filed 1989·Granted Sep 11, 1990·14 cites·3 claims
- 1854US11135942B2Railway direct-current feeding systemRAILWAY TECHNICAL RES INST·Filed 2017·Granted Oct 5, 2021·0 cites·5 claims
- 1953US9721708B2High-temperature superconducting coil and method of manufacturing sameRAILWAY TECHNICAL RES INST·Filed 2014·Granted Aug 1, 2017·0 cites·12 claims
- 2052US5593175ALeg apparatus for the magnetically levitated vehicleRAILWAY TECHNICAL RES INST·Filed 1995·Granted Jan 14, 1997·26 cites·4 claims
- 2149US11978572B2Superconductive cableRAILWAY TECHNICAL RES INST·Filed 2019·Granted May 7, 2024·0 cites·15 claims
- 2248US5361707AMultiple feeder system of feeder sections for feeding ground coils of superconductive magnetically levitated railwayRAILWAY TECHNICAL RES INST·Filed 1993·Granted Nov 8, 1994·15 cites·5 claims
- 2347US5348424AReinforcing block for excavation work and method of construction thereofRAILWAY TECHNICAL RES INST·Filed 1993·Granted Sep 20, 1994·17 cites·15 claims
- 2447US5189961ASuperconductive magnetically levitated railway, and power-feed system thereforRAILWAY TECHNICAL RES INST·Filed 1992·Granted Mar 2, 1993·22 cites·5 claims
- 2544US6313725B1Magnetizing method for producing coupled body comprised of multi-pole bulk superconducting magnets with respective polarities varyingRAILWAY TECHNICAL RES INST·Filed 2000·Granted Nov 6, 2001·2 cites·2 claims
- 2639US7311274B2Antislip material ejectorRAILWAY TECHNICAL RES INST·Filed 2003·Granted Dec 25, 2007·2 cites·11 claims
- 2737US5663501AMethod and apparatus for determining seismic vulnerability of a structureRAILWAY TECHNICAL RES INST·Filed 1996·Granted Sep 2, 1997·12 cites·14 claims
- 2837US5213047APropulsion system for magnetically levitated vehicleRAILWAY TECHNICAL RES INST·Filed 1991·Granted May 25, 1993·17 cites·9 claims
- 2937US4844340AMethod and apparatus for spraying an inorganic hydraulic material composition containing reinforcing short fibersRAILWAY TECHNICAL RES INST·Filed 1987·Granted Jul 4, 1989·13 cites·18 claims
- 3035US5432669ASuperconducting magnet apparatus for magnetically levitated trainRAILWAY TECHNICAL RES INST·Filed 1993·Granted Jul 11, 1995·15 cites·14 claims
- 3134US5989896AMethod for degrading polychlorinated biphenyls and novel microorganismRAILWAY TECHNICAL RES INST·Filed 1998·Granted Nov 23, 1999·3 cites·1 claims
- 3234US5887788ASteel pipe connector of ladder-type sleeper for railway trackRAILWAY TECHNICAL RES INST·Filed 1997·Granted Mar 30, 1999·9 cites·9 claims
- 3331US5628253AGround-propulsion special-purpose electromagnetic circuit for magnetically levitated railway, and method of laying said circuitRAILWAY TECHNICAL RES INST·Filed 1996·Granted May 13, 1997·10 cites·4 claims
- 3430US5582346ALadder-type sleepers and railway tracksRAILWAY TECHNICAL RES INST·Filed 1996·Granted Dec 10, 1996·5 cites·28 claims
- 3527US5481984ALeg apparatus for the magnetically levitated vehicleRAILWAY TECHNICAL RES INST·Filed 1994·Granted Jan 9, 1996·2 cites·6 claims
- 3627US5218800AMethod of installing side-wall beam for guideway for magnetic levitation vehicleRAILWAY TECHNICAL RES INST·Filed 1991·Granted Jun 15, 1993·2 cites·18 claims
- 3725US10150491B2Device and method for controlling trainRAILWAY TECHNICAL RES INST·Filed 2016·Granted Dec 11, 2018·0 cites·7 claims
- 3825US5578756AMethod and apparatus for evaluating soundness of block-like structuresRAILWAY TECHNICAL RES INST·Filed 1995·Granted Nov 26, 1996·1 cites·7 claims
- 3924US5293824AGround coil for magnetically levitated railwayRAILWAY TECHNICAL RES INST·Filed 1992·Granted Mar 15, 1994·3 cites·2 claims
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