Inventor · disambiguated record
Tetsuya Nagashima
Also filed as: NAGASHIMA TETSUYA
20 granted patents·564 citations·filing 1980–2023
96Inventor score
Files withHOCHIKI CO15NAGASHIMA TETSUYA2AJINOMOTO KK1HOCKIKI KABUSHIKI KAISHA1MITSUBISHI HEAVY IND LTD1
Top patents by PatentIndex Score
20 records- 0184US8773272B2Light scattering type smoke detectorNAGASHIMA TETSUYA·Filed 2010·Granted Jul 8, 2014·5 cites·19 claims
- 0284US5576697AFire alarm systemHOCHIKI CO·Filed 1994·Granted Nov 19, 1996·100 cites·14 claims
- 0380US7746239B2Light scattering type smoke detectorHOCHIKI CO·Filed 2004·Granted Jun 29, 2010·32 cites·18 claims
- 0479US5280272AFire alarm system which distinguishes between different types of smokeHOCHIKI CO·Filed 1992·Granted Jan 18, 1994·71 cites·9 claims
- 0576US7896544B2Heat detector and method of manufacturing heat detecting elementHOCHIKI CO·Filed 2006·Granted Mar 1, 2011·9 cites·3 claims
- 0674US4273684ATransparent detergent barAJINOMOTO KK·Filed 1980·Granted Jun 16, 1981·36 cites·10 claims
- 0773US4884222AFire alarm systemNAGASHIMA TETSUYA·Filed 1985·Granted Nov 28, 1989·45 cites·22 claims
- 0872US5502434ASmoke sensorHOCKIKI KABUSHIKI KAISHA·Filed 1993·Granted Mar 26, 1996·66 cites·17 claims
- 0967US4596465AScattered light type smoke detectorHOCHIKI CO·Filed 1984·Granted Jun 24, 1986·25 cites·9 claims
- 1062US4644331AFire alarm systemHOCHIKI CO·Filed 1985·Granted Feb 17, 1987·32 cites·6 claims
- 1161US12149329B2Data encoding device, data transmission system, data encoding method, and data encoding programMITSUBISHI HEAVY IND LTD·Filed 2023·Granted Nov 19, 2024·0 cites·8 claims
- 1261US5497009APhotoelectric smoke sensor and fire detecting system, and sensitivity testing method thereforHOCHIKI CO·Filed 1994·Granted Mar 5, 1996·31 cites·23 claims
- 1357US5430307ALight scattering smoke detector with smoke-entrance ladyrinth designed to prevent false signals due to reflectionHOCHIKI CO·Filed 1994·Granted Jul 4, 1995·24 cites·10 claims
- 1456US5587790ALight scattering type smoke detector having an improved zero-point levelHOCHIKI CO·Filed 1994·Granted Dec 24, 1996·23 cites·28 claims
- 1554US11694532B2Fire alarm equipmentHOCHIKI CO·Filed 2021·Granted Jul 4, 2023·0 cites·6 claims
- 1652US5642099ALight scattering type smoke detectorHOCHIKI CO·Filed 1995·Granted Jun 24, 1997·20 cites·1 claims
- 1751US7802918B2Heat detectorHOCHIKI CO·Filed 2006·Granted Sep 28, 2010·1 cites·3 claims
- 1850US5670947ALight scattering smoke sensorHOCHIKI CO·Filed 1995·Granted Sep 23, 1997·18 cites·8 claims
- 1945US5859706APhotoelectric smoke detector and disaster monitoring system using the photoelectric smoke detectorHOCHIKI CO·Filed 1996·Granted Jan 12, 1999·16 cites·10 claims
- 2040US4914425AHighly sensitive smoke detectorHOCHIKI CO·Filed 1988·Granted Apr 3, 1990·10 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →