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G01J 2001/161

Ratio method, i.e. im/ir

Official title: {Ratio method, i.e. Im/Ir}

G01J2001/161 (Ratio method, i.e. im/ir) appears on 33 US grants and 6 published applications in this corpus.

Search patents in G01J

Granted patents: 33
Published applications: 6
Assignees: 27
Inventors: 49
Latest grant: 17 Mar 2020

Filings by year

G01J 2001/161: granted patents and published applications per publication year
Year	Granted patents	Published applications
1981	1	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	2	0
1987	4	0
1988	0	0
1989	1	0
1990	2	0
1991	7	0
1992	7	0
1993	2	0
1994	2	0
1995	1	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	1
2016	1	0
2017	0	0
2018	0	2
2019	1	2
2020	2	0
2021	0	0
2022	0	0
2023	0	0
2024	0	0
2025	0	1

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Sensor and system for plant canopy measurement17 Mar 2020US 10,591,352 B2X Development LLC
Gas detection apparatus and method28 Jan 2020US 10,545,089 B2Gas Measurement Instruments Limited
Gas detection apparatus and method2 Apr 2019US 10,247,666 B2Gas Measurement Instruments Limited
Method of manufacturing print head, print head and image forming apparatus, using light density data for print head correction15 Mar 2016US 9,283,771 B2Ricoh Company, Ltd.
Chemical luminescence-detecting apparatus with multiple sensors6 Jun 1995US 5,422,075 AHoriba, Ltd.

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By later US patents