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G01N2021/3159
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PHYSICS
G01
Measuring instruments
G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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G01N2021/3159
Special features of multiplexing circuits
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Patents Grants
last 30 patents
Information
Patent Grant
Spectrometry device and spectrometry method
Patent number
11,555,782
Issue date
Jan 17, 2023
Yokogawa Electric Corporation
Masanori Okada
G01 - MEASURING TESTING
Information
Patent Grant
Optical gas concentration measuring method by forming a differentia...
Patent number
10,408,742
Issue date
Sep 10, 2019
Fujikin Incorporated
Masaaki Nagase
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Optical concentration measuring method
Patent number
10,324,028
Issue date
Jun 18, 2019
TOHOKU UNIVERSITY
Shigetoshi Sugawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Concentration measuring method
Patent number
10,241,034
Issue date
Mar 26, 2019
TOHOKU UNIVERSITY
Shigetoshi Sugawa
G01 - MEASURING TESTING
Information
Patent Grant
Optical monitoring system with molecular filters
Patent number
7,251,032
Issue date
Jul 31, 2007
Neptec Optical Solutions, Inc.
Robert A. Lodder
G01 - MEASURING TESTING
Information
Patent Grant
Multiplexing rotary spectrometer
Patent number
7,113,282
Issue date
Sep 26, 2006
3M Innonative Properties Company
Francis M. Aguirre
G01 - MEASURING TESTING
Information
Patent Grant
Pulse oximeter with improved accuracy and response time
Patent number
5,820,550
Issue date
Oct 13, 1998
Novametrix Medical Systems Inc.
Michael John Ross Polson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Variable filter spectrophotometers
Patent number
5,526,121
Issue date
Jun 11, 1996
Eastman Kodak Company
James R. Sandifer
G02 - OPTICS
Information
Patent Grant
Method of measuring the oxygen saturation in pulsating blood flow
Patent number
5,448,991
Issue date
Sep 12, 1995
Michael J. R. Polson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Pulse oximeter with improved accuracy and response time
Patent number
5,398,680
Issue date
Mar 21, 1995
Michael J. R. Polson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Postacquired spectrophotometers
Patent number
5,386,295
Issue date
Jan 31, 1995
Eastman Kodak Company
Steven C. Switalski
G02 - OPTICS
Information
Patent Grant
Spectrophotometer having means for simultaneous modulation, switchi...
Patent number
5,357,343
Issue date
Oct 18, 1994
Eastman Kodak Company
Alan J. Lowne
G02 - OPTICS
Information
Patent Grant
Pulse oximeter with improved accuracy and response time
Patent number
5,190,038
Issue date
Mar 2, 1993
Novametrix Medical Systems, Inc.
Michael J. R. Polson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wave form filter pulse detector and method for modulated signal
Patent number
4,867,571
Issue date
Sep 19, 1989
Sensormedics Corporation
Gene Frick
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Infrared gas analyzer with automatic zero adjustment
Patent number
4,687,934
Issue date
Aug 18, 1987
Andros Analyzers Incorporated
Robert E. Passaro
G01 - MEASURING TESTING
Information
Patent Grant
Digital IR gas analyzer
Patent number
4,678,914
Issue date
Jul 7, 1987
Environmental Tectonics Corporation
Richard C. Melrose
G01 - MEASURING TESTING
Information
Patent Grant
Selective multichannel optical time-shared detector for chromatography
Patent number
4,100,412
Issue date
Jul 11, 1978
Harry H. Hausdorff
G01 - MEASURING TESTING
Information
Patent Grant
Optical analyzer for agricultural products
Patent number
4,040,747
Issue date
Aug 9, 1977
Neotec Corporation
Donald R. Webster
G01 - MEASURING TESTING
Information
Patent Grant
Optical analyzer for agricultural products
Patent number
4,037,970
Issue date
Jul 26, 1977
Neotec Corporation
Donald R. Webster
G01 - MEASURING TESTING
Information
Patent Grant
3861788
Patent number
3,861,788
Issue date
Jan 21, 1975
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Optical monitoring system with molecular filters
Publication number
20060072110
Publication date
Apr 6, 2006
Neptec Optical Solutions, Inc.
Robert A. Lodder
G01 - MEASURING TESTING
Information
Patent Application
Multiplexing rotary spectrometer
Publication number
20050134854
Publication date
Jun 23, 2005
3M Innovative Properties Company
Francis M. Aguirre
G01 - MEASURING TESTING