G01N 2021/3159
Special features of multiplexing circuits
Official title: {Special features of multiplexing circuits}
G01N2021/3159 (Special features of multiplexing circuits) appears on 26 US grants and 11 published applications in this corpus.
Search patents in G01N- Granted patents
- 26
- Published applications
- 11
- Assignees
- 19
- Inventors
- 55
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 4 | 3 |
| 2018 | 0 | 0 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Infrared absorption-based composition sensor for fluid mixtures18 Feb 2025US 12,228,500 B2California Institute of Technology
- Spectrometry device and spectrometry method17 Jan 2023US 11,555,782 B2Yokogawa Electric Corporation
- Optical device, gas sensor, methods of forming and operating the same12 Jul 2022US 11,385,421 B2Agency for Science, Technology and Research
- Optical gas concentration measuring method by forming a differential signal using lights with different absorbabilities to a raw material in a gas flow path using a time-sharing method10 Sep 2019US 10,408,742 B2Fujikin Incorporated
- Optical concentration measuring method18 Jun 2019US 10,324,028 B2Tohoku University
- Device for Testing Dryness of Electrode, and Method for Testing Dryness of Electrode10 Sep 2026US 2026/0266716 A1LG Energy Solution, Ltd.
- Optical detector and method for determining at least one property of at least one substance7 Dec 2023US 2023/0393061 A1Trinamix GmbH
- Optical Measurement System with Multiple Launch Sites12 Oct 2023US 2023/0324286 A1Apple Inc.
- Infrared absorption-based composition sensor for fluid mixtures9 Feb 2023US 2023/0041370 A1California Institute of Technology
- Optical device, gas sensor, methods of forming and operating the same4 Mar 2021US 2021/0063658 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Pulse oximeter with improved accuracy and response time484US 5,190,038 ANovametrix Medical Systems, Inc. · 1993
- Method of measuring the oxygen saturation in pulsating blood flow260US 5,448,991 A1995
- Pulse oximeter with improved accuracy and response time188US 5,820,550 ANovametrix Medical Systems, Inc. · 1998
- Pulse oximeter with improved accuracy and response time152US 5,398,680 A1995
- Wave form filter pulse detector and method for modulated signal149US 4,867,571 ASensormedics Corporation · 1989