SMK Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 5128
 
  
 
1509 MACHINE TOOLS, ABRADING AND FOUNDING MACHINERY227
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 170

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D667857 Electrode tip for resistive weldersDec 03, 09Sep 25, 12[1509]
D647547 Lower electrode structure for weldingNov 21, 08Oct 25, 11[1509]
6299486 Connector plugDec 09, 99Oct 09, 01[H01R]
6024606 Connector plugDec 10, 97Feb 15, 00[H01R]
D419133 Connector for a batteryOct 19, 98Jan 18, 00[1303]
5725400 Connecting terminal section structureJun 12, 96Mar 10, 98[H01R]
5718605 Connector socketJun 12, 96Feb 17, 98[H01R]
5662480 Surface mount type coaxial connector connecting coaxial cable to substrateJun 02, 95Sep 02, 97[H01R]
5493087 Operating unit for a key switchNov 03, 94Feb 20, 96[H01H]
5200718 Balun transformer with common mode coilOct 22, 91Apr 06, 93[H03H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0264,125 WELDING LOWER ELECTRODE DEVICEAbandonedApr 16, 10Oct 21, 10[B23K]
7078648 Curved electrode for weldingExpiredApr 21, 05Jul 18, 06[B23K]
5897397 Connector plug for automobilesExpiredApr 16, 97Apr 27, 99[H01R]
5894117 Keyboard switch for notebook type computer or the likeExpiredJul 17, 97Apr 13, 99[H01H]
5659282 Cylindrical fuse holder with a socket movable axially in the holderExpiredApr 27, 95Aug 19, 97[H01H]
5396038 Thin keyboard switchExpiredDec 17, 93Mar 07, 95[H01H]
5306886 Keyboard switchExpiredJun 15, 92Apr 26, 94[H01H]
4929804 Push button switchExpiredDec 01, 88May 29, 90[H01C, H01H]
4882554 Multi-drop type bus line systemExpiredMay 24, 88Nov 21, 89[H03H]
4866228 Key switch with multiple contact pointsExpiredNov 20, 87Sep 12, 89[H01H]

Top Inventors for This Owner

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