Tamura Electric Works, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5863355 Flux for soldering electronic components on circuit substrates, and mounted or unmounted circuit substrateFeb 27, 96Jan 26, 99[H05K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0292,061 DEVICE FOR ROTATING BODY WINDAGE LOSS REDUCTIONAbandonedAug 22, 07Dec 20, 07[F16C]
2005/0050,982 Loss reducing device of rotary bodyAbandonedSep 17, 04Mar 10, 05[G05G]
6156462 Photosensitive resin compositions, cured films thereof, and circuit substratesExpiredAug 14, 98Dec 05, 00[B32B]
5853957 Photosensitive resin compositions, cured films thereof, and circuit boardsExpiredMay 08, 96Dec 29, 98[G03F]
5723261 Photopolymerizable compositionExpiredJan 28, 97Mar 03, 98[G03F]
5714743 Card and card issuing apparatusExpiredMar 21, 96Feb 03, 98[G06K]
5661289 Card and card check methodExpiredMar 21, 96Aug 26, 97[G06K]
5600122 Structure of card insertion port and method of mounting card insertion port memberExpiredJan 12, 95Feb 04, 97[G06K]
5592400 Card issue systemExpiredAug 22, 94Jan 07, 97[G06F]
5563934 Pay phone call control apparatus for allowing calls using pre-paid cardsExpiredFeb 16, 95Oct 08, 96[H04M, G06F, G06K]
5545883 Magnetic card and card reader apparatus utilizing a pseudo bar code and an address information codeExpiredJul 12, 94Aug 13, 96[G06K]
5545884 Card reader apparatusExpiredJun 13, 95Aug 13, 96[G06K]
5546446 Public telephone system using a prepaid card to enable communicationExpiredOct 20, 94Aug 13, 96[H04M]
5508854 Apparatus for writing data on a magnetic card and preventing heat damage to a magnetic head coilExpiredAug 24, 94Apr 16, 96[G11B, G06K]
5484993 Card reader maintenance systemExpiredSep 21, 94Jan 16, 96[G06K]
5463208 Task processing apparatusExpiredMar 18, 94Oct 31, 95[G06F, G06K]
5463679 Public telephone systemExpiredApr 26, 94Oct 31, 95[H04M]
5448628 Public telephone systemExpiredApr 26, 94Sep 05, 95[H04M]
5433583 Card loading deviceExpiredMar 18, 94Jul 18, 95[B65G]
5424522 Card convey device and method thereforExpiredJun 23, 94Jun 13, 95[G06C, G06F]

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