NITTAN COMPANY, LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1005 INSTRUMENTS, APPARATUS AND DEVICES FOR CHECKING, SECURITY OR TESTING120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D621287 Fire detectorOct 07, 08Aug 10, 10[1005]
D450008 Fire detectorFeb 15, 01Nov 06, 01[1005]
D433644 Fire detectorSep 30, 99Nov 14, 00[1005]
D426482 Fire detectorOct 27, 99Jun 13, 00[1005]
D382217 Fire detectorJul 31, 96Aug 12, 97[1005]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6105077 Transmitting system with address polling for providing a control signal to open/close switchExpiredJan 21, 98Aug 15, 00[G08B, G06F]
6057775 Ionization smoke detectorExpiredSep 11, 97May 02, 00[G08B]
5830412 Sensor device, and disaster prevention system and electronic equipment each having sensor device incorporated thereinExpiredAug 16, 96Nov 03, 98[G01N]
5227640 Apparatus for detecting a flame using weighted time intervalsExpiredJun 11, 92Jul 13, 93[G01J]
5189631 Smoke density monitor systemExpiredDec 06, 90Feb 23, 93[G08B]
D332231 Fire detectorExpiredApr 18, 91Jan 05, 93[]
D331547 Fire detectorExpiredOct 04, 90Dec 08, 92[]
D319798 Fire detectorExpiredJun 06, 88Sep 10, 91[]
D316828 Fire detectorExpiredJun 06, 88May 14, 91[]
4988988 Central monitoring and alarming systemExpiredOct 03, 89Jan 29, 91[H04M, G05B]
4972178 Fire monitoring systemExpiredApr 04, 89Nov 20, 90[G08B]
4947162 Terminal device for a monitoring and control systemExpiredFeb 13, 89Aug 07, 90[G06F]
4929093 Fire detector having a protective coverExpiredJan 23, 89May 29, 90[G08B, G01K]
4924417 Environmental abnormality alarm apparatusExpiredMar 21, 88May 08, 90[G08B]
4887072 Alarm apparatusExpiredMar 03, 88Dec 12, 89[G08B]
4831361 Environmental abnormality alarm apparatusExpiredJun 08, 88May 16, 89[G08B]
4823118 Fire sensorExpiredSep 25, 85Apr 18, 89[G08B]
4797664 Environmental abnormality detection apparatusExpiredSep 14, 87Jan 10, 89[G08B, G05B]
4785284 Fire monitoring systemExpiredMay 01, 87Nov 15, 88[G08B]
4774502 Environmental abnormality detection apparatusExpiredJul 27, 87Sep 27, 88[G08B]

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