MITSUBISHI STEEL MFG. CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 1656
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION1346
 
  
 
E05D HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS 1024
 
  
 
H04M TELEPHONIC COMMUNICATION 10153
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 862
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 744
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 5151
 
  
 
B21F WORKING OR PROCESSING OF WIRE 416
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 333

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0273,250 LOCKING SYSTEM, AND OPENING AND CLOSING DEVICENov 27, 14Sep 22, 16[E05B, E05C, A45D, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9783017 Suspension coil springApr 12, 02Oct 10, 17[B60G, F16F]
9770957 Suspension coil spring and strut type suspensionOct 30, 15Sep 26, 17[B60G, F16F]
9696755 Opening and closing device, and electronic deviceSep 08, 15Jul 04, 17[H04N, G06F, G03B]
9677637 Composite coil springAug 17, 12Jun 13, 17[F16F]
9598885 Locking member, door stop, and rod locking systemMar 27, 15Mar 21, 17[E05B, E05C, E05F]
9585274 Electronic deviceMar 11, 15Feb 28, 17[H04M, H04N, F16C, H05K]
9413971 Opening and closing device, and electronic deviceAug 03, 15Aug 09, 16[H04N, H05K]
9398708 Opening and closing deviceOct 08, 13Jul 19, 16[H04M, G06F, G03B, H05K]
9388620 Door stopper and rod locking mechanismFeb 27, 14Jul 12, 16[E05C, E05F]
9316280 Spring unit and slide mechanismJan 24, 13Apr 19, 16[H04M, F16F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0358,512 OPENING-CLOSING DEVICEAbandonedJan 10, 14Dec 10, 15[H04N, E05D]
8880131 Cover mechanism for opening and closing deviceWithdrawnSep 16, 11Nov 04, 14[H04M, H04B, G06F]
2014/0232,610 ANTENNA DEVICEAbandonedJan 19, 12Aug 21, 14[H01Q]
2013/0160,243 HINGE MECHANISMAbandonedSep 05, 11Jun 27, 13[G06F]
2013/0081,229 HINGE DEVICEAbandonedJun 06, 11Apr 04, 13[E05D]
2011/0286,162 SLIDING HINGE MECHANISMAbandonedDec 24, 09Nov 24, 11[H05K]
6412888 Rubber pad and lock pin for iron crawler beltExpiredAug 10, 00Jul 02, 02[B62D, B60B, A01B]
6364274 Seismic isolator for exhibitsExpiredNov 18, 99Apr 02, 02[F16M]
6336351 Method of manufacturing spline shaftExpiredDec 20, 96Jan 08, 02[B21K]
6070345 Bucket tool for a power shovelExpiredMar 05, 98Jun 06, 00[E02F]
6050557 Coiled disk springExpiredAug 16, 96Apr 18, 00[F16F]
5921309 Production process of wax patternExpiredOct 02, 97Jul 13, 99[B22C]
5867951 Seismic isolation sliding bearing for structureExpiredMay 29, 97Feb 09, 99[E02D, E04H]
5865055 Spline forming dieExpiredJan 10, 97Feb 02, 99[B21B]
5730018 Method of forming internal spline shaftExpiredJan 10, 97Mar 24, 98[B21K]
5589768 Magnetoresistance-effect magnetic sensor of the temperature compensating typeExpiredJun 23, 94Dec 31, 96[H01L, G11B, G01R, G01B]
5539372 Magnetic resistance element, method for preparing the same and magnetic sensor using the sameExpiredJun 17, 93Jul 23, 96[H01L]
5475897 Car door hingeExpiredNov 16, 93Dec 19, 95[E05F]
5470528 Low decarburization spring steelExpiredJul 27, 94Nov 28, 95[C22C]
5297881 Printing machine carriage having a magnetic encoderExpiredDec 22, 92Mar 29, 94[B41J]

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