Hochiki Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 3757
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 10196
 
  
 
1005 INSTRUMENTS, APPARATUS AND DEVICES FOR CHECKING, SECURITY OR TESTING813
 
  
 
A62C FIRE-FIGHTING 621
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 244
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H03K PULSE TECHNIQUE 2129
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9836937 Sensor system, sensor, and detachment toolAug 01, 12Dec 05, 17[G08B, G01N, G01D]
9336671 Fire detectorOct 18, 12May 10, 16[G08B]
9157854 Scattered light-type smoke detection apparatusMay 29, 12Oct 13, 15[G08B, G01N]
9087444 Alarm deviceNov 19, 08Jul 21, 15[G08B]
8941505 Smoke detectorOct 09, 09Jan 27, 15[G08B, G01N]
8896392 Transmission systemJul 09, 09Nov 25, 14[H01P, H04B, H03H]
8816867 DetectorJul 13, 12Aug 26, 14[G08B]
8776902 Fire prevention equipment and spraying methodMar 08, 13Jul 15, 14[A62C]
8773272 Light scattering type smoke detectorJan 07, 10Jul 08, 14[G08B]
8757522 Atomization cooling equipment and atomizing methodApr 14, 11Jun 24, 14[B05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8466784 Alarm deviceWithdrawnMar 13, 09Jun 18, 13[G08B]
2013/0009,775 COMMUNICATION SYSTEM AND ALARM DEVICEAbandonedJul 11, 12Jan 10, 13[G08B]
2012/0285,710 DISASTER-PREVENTING DEVICEAbandonedJul 26, 12Nov 15, 12[A62C]
2012/0218,099 RELAY METHOD FOR ALARM SYSTEM AND ALARM DEVICEAbandonedNov 01, 10Aug 30, 12[G08B]
2012/0188,532 ETHYL ALCOHOL-DETECTING DEVICEAbandonedOct 02, 09Jul 26, 12[G01J]
2011/0312,354 WIRELESS DISASTER-PREVENTION NODE AND WIRELESS DISASTER-PREVENTION SYSTEMAbandonedAug 03, 11Dec 22, 11[H04B, H04W]
2011/0080,295 FIRE-PREVENTING TERMINAL DEVICEAbandonedFeb 27, 09Apr 07, 11[G08B]
2011/0018,706 ALARM DEVICE AND ALARM SYSTEMAbandonedNov 25, 08Jan 27, 11[G08B]
2010/0238,049 COMMUNICATION SYSTEMAbandonedOct 02, 08Sep 23, 10[G08C]
2010/0219,948 COMMUNICATION SYSTEM AND ALARM DEVICEAbandonedOct 09, 08Sep 02, 10[G08B, H04Q]
6877895 Fire sensorExpiredSep 18, 02Apr 12, 05[G01K]
6674081 Infrared detecting element, infrared two-dimensional image sensor, and method of manufacturing the sameExpiredSep 23, 02Jan 06, 04[G01J]
6288647 Photoelectric smoke detector, and smoke detection section assemblyExpiredOct 31, 00Sep 11, 01[G08B]
6271758 Light projection device for a photoelectric smoke sensorExpiredFeb 28, 00Aug 07, 01[G08B]
5128653 Fire alarm systemExpiredNov 22, 91Jul 07, 92[G08B]
5065150 Monitoring apparatus for disaster preventionExpiredJul 14, 89Nov 12, 91[H04B]
5017905 Fire alarm systemExpiredOct 02, 90May 21, 91[G08B]
4942385 Photoelectric intrusion detectorExpiredDec 22, 88Jul 17, 90[G05B]
4937562 Moisture-proof ionization smoke detectorExpiredDec 09, 88Jun 26, 90[G08B]
4930095 Output correction system for analog sensorExpiredApr 23, 86May 29, 90[G08B, G06F]

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