Inventor
NAGANO HISASHI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “NAGANO HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
26 patentsUS5561300AOct 1, 1996
Atomic switching devices and logical circuits
HITACHI LTD29 citations92
US6884997B2Apr 26, 2005
Method and apparatus for detecting dangerous substances and substances of interest
HITACHI LTD27 citations91
US7820965B2Oct 26, 2010
Apparatus for detecting chemical substances and method therefor
HITACHI LTD6 citations74
US7078685B2Jul 18, 2006
Mass spectrometer
HITACHI LTD10 citations74
US7015464B2Mar 21, 2006
Apparatus for detecting chemical substances and method therefor
HITACHI LTD6 citations74
US9850696B2Dec 26, 2017
Microparticle detection device and security gate
HITACHI LTD4 citations73
US9696288B2Jul 4, 2017
Attached matter testing device and testing method
HITACHI LTD3 citations73
US9261437B2Feb 16, 2016
Attached matter inspection device
HITACHI LTD4 citations73
US6587278B1Jul 1, 2003
Optical interferometer and signal synthesizer using the interferometer
HITACHI LTD6 citations71
US6091495AJul 18, 2000
Optical interferometer and signal synthesizer using the interferometer
HITACHI LTD5 citations71
US7449685B2Nov 11, 2008
Gas monitoring apparatus
HITACHI LTD6 citations70
US9417163B2Aug 16, 2016
Analyzer for substance
HITACHI LTD2 citations63
US7875848B2Jan 25, 2011
Ion trap, mass spectrometer, and ion mobility analyzer
HITACHI LTD3 citations63
US7408153B2Aug 5, 2008
Apparatus for detecting chemical substances and method therefor
HITACHI LTD3 citations63
US7164124B2Jan 16, 2007
Mass spectrometric apparatus and ion source
HITACHI LTD6 citations63
US9214324B2Dec 15, 2015
Analysis device and analysis method
HITACHI LTD3 citations62
US6770877B2Aug 3, 2004
Method and apparatus for analyzing vapors generated from explosives
HITACHI LTD4 citations62
US10989632B2Apr 27, 2021
Method for preparing standard sample for gas flow type analysis system
HITACHI LTD0 citations61
US7829848B2Nov 9, 2010
Gas monitoring apparatus
HITACHI LTD4 citations59
US6844546B2Jan 18, 2005
Explosive detection system
HITACHI LTD5 citations59
US7041971B2May 9, 2006
Apparatus and method for detecting chemical agents
HITACHI LTD4 citations58
US10955401B2Mar 23, 2021
Chemical for test used in hazardous substance sensing device, hazardous substance sensing device, and hazardous substance sensing method
HITACHI LTD0 citations55
US9423388B2Aug 23, 2016
Particle analyzing device
HITACHI LTD1 citations49
US11371915B2Jun 28, 2022
Adhering substance collecting device and inspection system
HITACHI LTD0 citations48
US10048172B2Aug 14, 2018
Substance-testing apparatus, substance-testing system, and substance-testing method
HITACHI LTD0 citations41
US7663098B2Feb 16, 2010
Gas monitoring apparatus and gas monitoring method
HITACHI LTD0 citations37