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* Published Japanese patents only


Hits 265 results

No. Application number
Gazette No
Title
Release Date
Update Date
Information Provider
1 P2000-127247 P3545674 ELECTRIC TRACTION INSPECTION DEVICE Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
2 P2000-185609 P3545679 ELECTRIC TRACTION INSPECTION APPARATUS Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
3 P2000-073281 P3618273 DC ELECTROMOTIVE SYSTEM FOR ELECTRIC RAILROAD Nov 30, 2007 Feb 19, 2016 Railway Technical Research Institute
4 P2000-088856 P3640298 ELECTRIC TRACTION SUPPORTING DEVICE Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
5 P2000-250050 P3660215 DISTANCE RELAY FOR AC FEEDER CIRCUIT Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
6 P2000-230474 P3662482 CALIBRATION TEST PIECE FOR ULTRASONIC INSPECTION OF RAIL WELDED PART Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
7 P2000-375448 P3662490 AC CURRENT TYPE AUTOMATIC OFF-LINE MEASURING DEVICE FOR ELECTRIC CAR meetings Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
8 P2001-079739 P3695579 ESTIMATION METHOD FOR EPICENTRAL DISTANCE AND MAGNITUDE AND DEVICE THEREFOR Nov 22, 2007 Nov 12, 2007 Railway Technical Research Institute
9 P2000-250054 P3715517 VECTOR RELAY FOR AC FEEDER Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
10 P2000-346016 P3732735 GROUND-COIL ELECTROMAGNETIC EXCITATION TEST APPARATUS Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
11 P2002-013366 P3732784 ELECTRIC VEHICLE DRIVING AND CONTROLLING METHOD AND CONTROL DEVICE Nov 9, 2007 Mar 22, 2018 Railway Technical Research Institute
12 P2001-078680 P3792524 CONTROL DEVICE FOR ELECTRIC VEHICLE Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
13 P2002-013367 P3798700 INDUCTION MOTOR CONTROLLER Nov 9, 2007 Mar 22, 2018 Railway Technical Research Institute
14 P2001-100027 P3822802 TECHNIQUE OF EVALUATING CONCRETE BY IMPACT SOUND Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
15 P2001-340214 P3832845 STEEL SHEET PILE COMBINED SPREAD FOUNDATION AND METHOD OF CONSTRUCTING THE SAME Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
16 P2001-175423 P3854098 METHOD FOR JOINTING BETWEEN SHEETS FOR PRE- WATERPROOFING OF UNDERGROUND STRUCTURE Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
17 P2001-175425 P3854099 TREATMENT METHOD FOR SEPARATOR PART FOR PRE- WATERPROOFING OF UNDERGROUND STRUCTURE AND STRUCTURE OF SEPARATOR PART meetings Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
18 P2002-171336 P3858221 SUPER-CONDUCTIVE MAGNET MADE OF HIGH-TEMPERATURE SUPERCONDUCTIVE BULK MATERIAL, AND ITS MANUFACTURING METHOD Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
19 P2001-389108 P3874342 LADDER TRACK VIBRATION ISOLATION BASE Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
20 P2001-325934 P3875062 DISC BRAKE DEVICE Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
21 P2001-101472 P3880327 JUDGING METHOD AND JUDGING DEVICE FOR STABILITY OF UNDERGROUND STRUCTURE Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
22 P2001-330751 P3895148 DEVICE FOR PREVENTING UNNECESSARY ACTION OF SUBSTATION CAUSED BY GROUND FAULT OF DIRECT CURRENT FEEDING CIRCUIT Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
23 P2001-175426 P3916890 WATERPROOFING METHOD FOR BATHOLITHIC PART OF UNDERGROUND STRUCTURE AND STRUCTURE OF BATHOLITHIC PART meetings Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
24 P2003-304170 P3917118 CONNECTING HANGER EAR FOR ELECTRIC OVERHEAD WIRE meetings Nov 9, 2007 Nov 2, 2007 Railway Technical Research Institute
25 P2002-300189 P3932187 SUPPORT STRUCTURE OF OVERHEAD LINE Nov 16, 2007 Nov 8, 2007 Railway Technical Research Institute
26 P2003-073982 P3959361 MAGNETICALLY SUPPORTED ELECTROMAGNETIC VIBRATOR AND METHOD FOR VIBRATION Nov 2, 2007 Mar 15, 2018 Railway Technical Research Institute
27 P2001-175424 P3973858 METHOD FOR JOINTING BETWEEN DIFFERENT KINDS OF WATERPROOF MATERIALS Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
28 P2003-092940 P3974546 RAIL FASTENING DEVICE Nov 2, 2007 Mar 15, 2018 Railway Technical Research Institute
29 P2001-137596 P3984433 RAIL SUPPORTER AND TRACK FOR CAR Nov 22, 2007 Nov 13, 2007 Railway Technical Research Institute
30 P2001-262868 P3984807 RAIL FASTENING DEVICE, AND RAIL FASTENING METHOD Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
31 P2004-044415 P3987045 LABOR-SAVING TRACK AND METHOD OF CONSTRUCTING THE SAME Oct 26, 2007 Mar 9, 2018 Railway Technical Research Institute
32 P2003-027807 P3987441 WEIGHT FALL BUFFER IN RIGIDOMETER OF GROUND Nov 2, 2007 Oct 25, 2007 Railway Technical Research Institute
33 P2003-208929 P3992661 SAFETY DEVICE FOR ELECTRIC RAILCAR LINE Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
34 P2001-309515 P3993407 CURRENT LEAD OF SUPERCONDUCTIVE APPARATUS Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
35 P2002-355051 P4001806 IDENTIFICATION METHOD AND DEVICE BY NONCONTACT MEASUREMENT OF VIBRATION CHARACTERISTIC OF STRUCTURE Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
36 P2002-202080 P4020716 POSITION ADJUSTING DEVICE AND METHOD FOR HEAVY LOAD meetings Nov 16, 2007 Nov 8, 2007 Railway Technical Research Institute
37 P2003-277725 P4041033 DETERIORATION PREDICTION METHOD AND PREDICTION DEVICE OF STEEL PRODUCT Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
38 P2002-298598 P4051258 SLIP PREVENTIVE MATERIAL SPRAYING DEVICE Nov 16, 2007 Nov 8, 2007 Railway Technical Research Institute
39 P2002-106430 P4055457 GROUND BRUSH DEVICE Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
40 P2003-064268 P4056910 IMAGE PROCESSING TYPE MEASUREMENT DEVICE FOR GROUND COIL OF MAGNETIC LEVITATION TYPE RAILWAY Nov 2, 2007 May 26, 2020 Railway Technical Research Institute
41 P2001-066742 P4066129 VEHICLE SUPPORT STRUCTURE Nov 22, 2007 Apr 23, 2013 Railway Technical Research Institute
42 P2002-166209 P4078124 METHOD FOR MANUFACTURING FIBER-REINFORCED MORTAR OR CONCRETE AND MANUFACTURING DEVICE Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
43 P2003-180151 P4083633 IRON BASED SINTERED ALLOY FOR CURRENT COLLECTING-SLIDING Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
44 P2003-055852 P4093881 SWITCH Nov 2, 2007 Oct 25, 2007 Railway Technical Research Institute
45 P2003-279319 P4102723 SURFACE TREATMENT MATERIAL, METHOD FOR PRODUCING THE SAME, BODY STRUCTURE OF TRAFFIC TRANSPORTATION MEANS AND BODY STRUCTURE OF ROLLING STOCK Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
46 P2004-147976 P4112522 ROLLING STOCK TRACK USING LADDER TYPE SLEEPER, ITS CONSTRUCTION METHOD AND SLEEPER REGULATING TOOL USED THEREFOR Nov 2, 2007 Mar 9, 2018 Railway Technical Research Institute
47 P2002-341248 P4112955 TRACTION CONTROLLER FOR VEHICLE Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
48 P2003-084193 P4116912 ABNORMAL VOLTAGE PROTECTING DEVICE OF ELECTRIC OVERHEAD LINE Nov 2, 2007 Mar 15, 2018 Railway Technical Research Institute
49 P2003-096321 P4117209 PIER / ABUTMENT BASE JOINT TYPE REINFORCING STRUCTURE Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
50 P2003-175176 P4173408 EARTHQUAKE MOTION DISCRIMINATION METHOD AND SYSTEM FOR THE SAME Nov 6, 2007 Nov 2, 2007 Railway Technical Research Institute
51 P2003-422439 P4179507 DAMPER FOR SUSPENSION WIRE Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
52 P2005-111771 P4180578 DEVICE AND METHOD FOR DETECTING AND INSPECTING FLAW BY MEANS OF AC ELECTROMAGNETIC FIELD MEASUREMENT METHOD Oct 26, 2007 Mar 2, 2018 Railway Technical Research Institute
53 P2002-343549 P4188670 HYDRAULIC FEEDING SYSTEM Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
54 P2003-175820 P4190360 REINFORCED STRUCTURE OF MASONRY WALL AND ITS REINFORCING METHOD Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
55 P2003-387439 P4191013 VIBRATION CONTROL DEVICE AND VEHICLE EQUIPPED WITH IT Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
56 P2003-012180 P4191497 OPERATION ARRANGEMENT PROPOSAL PREPARATION INFORMATION AND OPERATION ARRANGEMENT PROPOSAL PREPARATION DEVICE Nov 2, 2007 Mar 15, 2018 Railway Technical Research Institute
57 P2002-106431 P4191947 GROUNDING BRUSH DEVICE Nov 16, 2007 Apr 24, 2013 Railway Technical Research Institute
58 P2002-237895 P4198419 CARBON BASED SINTERED CONTACT STRIP MATERIAL HAVING WEAR RESISTANCE Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
59 P2003-361012 P4205551 CAST-IN-PLACE CONSTRUCTION METHOD AND EXCAVATOR Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
60 P2003-432109 P4209318 QUANTITATIVE EVALUATION METHOD OF WHEEL DAMAGE IN SLIP PREVENTION CONTROL OF ROLLING STOCK Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
61 P2002-140181 P4216000 WHEEL SET HAVING GAUGE VARIABLE MECHANISM AND BOGIE Nov 16, 2007 Aug 22, 2019 Railway Technical Research Institute
62 P2001-149652 P4219100 METHOD AND DEVICE FOR PREDICTING GROUND DISPLACEMENT BY LANDSLIDE AND SLOPE FAILURE SUCH AS SURFACE FAILURE Nov 22, 2007 Mar 22, 2018 Railway Technical Research Institute
63 P2004-299697 P4219880 REFRIGERATION DEVICE WITH TRANSFER MECHANISM FOR COOLING MAGNETIC FIELD GENERATOR Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute
64 P2003-325462 P4225481 ELECTRIC WIRE INSPECTION DEVICE Nov 9, 2007 Nov 2, 2007 Railway Technical Research Institute
65 P2000-138242 P4229572 VIBRATION CUTOFF STRUCTURE Nov 30, 2007 Jan 11, 2017 Railway Technical Research Institute
66 P2004-099653 P4230400 SYSTEM FOR MEASURING DRILLING TIP POSITION IN VERTICAL DEPTH DRILLING, AND MEASURING METHOD USING SAME Oct 26, 2007 Mar 9, 2018 Railway Technical Research Institute
67 P2004-099654 P4230401 SYSTEM FOR MEASURING DRILLING TIP POSITION IN VERTICAL DEPTH DRILLING meetings Oct 26, 2007 Oct 22, 2007 Railway Technical Research Institute
68 P2004-092126 P4233476 APPARATUS OF MAKING UP MEASUREMENT TARGET Oct 26, 2007 Mar 9, 2018 Railway Technical Research Institute
69 P2001-352637 P4236404 COOLING DEVICE FOR SUPERCONDUCTIVE COIL Nov 22, 2007 Nov 14, 2007 Railway Technical Research Institute
70 P2001-566956 P4242095 (In Japanese) スリップ防止用粒子の噴射装置 Nov 22, 2007 Nov 21, 2007 Railway Technical Research Institute
71 P2000-055520 P4243746 TUNNEL BUFFER WORK Nov 30, 2007 Nov 21, 2007 Railway Technical Research Institute
72 P2004-280046 P4255901 RAIL TESTING APPARATUS Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute
73 P2002-365377 P4256152 JOINING MATERIAL, PRODUCTION METHOD THEREFOR, STRUCTURE OF TRAFFIC TRANSPORTATION MEANS, AND STRUCTURE OF RAILWAY VEHICLE Nov 16, 2007 Mar 22, 2018 Railway Technical Research Institute
74 P2003-094132 P4263518 ELECTRIC DOUBLE LAYER CAPACITOR Nov 6, 2007 Jun 30, 2017 Railway Technical Research Institute
75 P2002-133610 P4275899 SEPARATOR FOR FUEL CELL, ITS MANUFACTURING METHOD, AND FUEL CELL UPDATE_EN Nov 16, 2007 Jul 1, 2020 Railway Technical Research Institute
76 P2004-048761 P4276106 X-RAY DIFFRACTION DEVICE AND X-RAY DIFFRACTION SYSTEM meetings Oct 26, 2007 Mar 9, 2018 Railway Technical Research Institute
77 P2004-012616 P4279159 TUNNEL SOUNDNESS DIAGNOSTIC SYSTEM Oct 26, 2007 Mar 9, 2018 Railway Technical Research Institute
78 P2004-180099 P4280206 SOUNDPROOF STRUCTURE OF RAIL Nov 2, 2007 Mar 9, 2018 Railway Technical Research Institute
79 P2003-004063 P4287156 ACTIVE NOISE REDUCTION DEVICE FOR ROLLING STOCK Nov 2, 2007 Mar 15, 2018 Railway Technical Research Institute
80 P2003-305086 P4291088 FRICTION RELAXATION MATERIAL, ITS STORAGE DEVICE AND FRICTION RELAXATION DEVICE Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
81 P2004-180100 P4295169 SOUNDPROOF STRUCTURE OF RAIL Nov 2, 2007 Mar 9, 2018 Railway Technical Research Institute
82 P2003-181693 P4297741 STRUCTURE BODY FOR RAILWAY ROLLING STOCK Nov 6, 2007 Nov 2, 2007 Railway Technical Research Institute
83 P2004-105307 P4312643 METHOD OF REINFORCING BLOCKWORK TUNNEL LINING, AND ITS STRUCTURE Nov 2, 2007 Mar 9, 2018 Railway Technical Research Institute
84 P2003-175798 P4316939 REINFORCING METHOD OF MASONRY WALL Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
85 P2003-175807 P4316940 REINFORCING METHOD OF MASONRY WALL Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
86 P2003-175816 P4316941 REINFORCING METHOD OF MASONRY WALL Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
87 P2003-279987 P4318499 JOINED MATERIAL, JOINT STRUCTURE THEREOF, METHOD OF PRODUCING JOINED MATERIAL, AND BODY STRUCTURE OF TRAFFIC TRANSPORTATION MEANS Nov 9, 2007 Mar 15, 2018 Railway Technical Research Institute
88 P2002-379548 P4319834 APPARATUS AND METHOD IMAGING SURFACE OF OBJECT Nov 16, 2007 Jun 20, 2018 Railway Technical Research Institute
89 P2001-256674 P4333939 SUSPENSION DEVICE FOR TROLLEY WIRE Nov 22, 2007 Nov 13, 2007 Railway Technical Research Institute
90 P2005-265692 P4335190 MAGNETIC LEVITATION SYSTEM USING MAGNETIC BLOCKING EFFECT OF SUPERCONDUCTOR Oct 26, 2007 Mar 2, 2018 Railway Technical Research Institute
91 P2005-143460 P4339277 SPRING WATER PRESSURE MEASURING DEVICE NEAR TO CUTTING FACE IN TUNNEL Oct 26, 2007 Oct 16, 2007 Railway Technical Research Institute
92 P2004-046987 P4342341 CONDUCTIVE STRUCTURE Oct 26, 2007 Oct 9, 2015 Railway Technical Research Institute
93 P2003-095853 P4343570 SURFACE PREPARATION MATERIAL FOR STEEL AND METHOD OF SURFACE- PREPARATION Nov 6, 2007 Mar 15, 2018 Railway Technical Research Institute
94 P2001-065300 P4351402 THERMITE WELDING METHOD FOR RAIL Nov 22, 2007 Nov 12, 2007 Railway Technical Research Institute
95 P2004-232130 P4361442 BRAKING DEVICE IN EXPERIMENTAL DEVICE BY TRAIN MODEL Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute
96 P2004-223987 P4369822 SLEEPER CONNECTING IMPLEMENT Nov 2, 2007 Oct 4, 2017 Railway Technical Research Institute
97 P2003-187414 P4373143 GROUNDING BRUSH DEVICE Nov 6, 2007 Apr 26, 2013 Railway Technical Research Institute
98 P2004-302961 P4387919 ASEISMATIC COUNTERMEASURE CONSTRUCTION METHOD OF TUNNEL USING BASE ISOLATION MATERIAL, CONSTRUCTION METHOD OF ITS BASE ISOLATION WALL AND ITS CONSTRUCTION STRUCTURE Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute
99 P2005-177393 P4390283 JOINT STRUCTURE OF GLUED INSULATED JOINT RAIL Oct 26, 2007 Oct 17, 2007 Railway Technical Research Institute
100 P2004-237660 P4393946 CONSTRUCTION METHOD FOR POWER TRANSMISSION MECHANISM, AND POWER TRANSMISSION MECHANISM Nov 2, 2007 Mar 13, 2018 Railway Technical Research Institute

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