G01N 2201/1232
Log representation
Official title: Log representation, e.g. for low transmittance
G01N2201/1232 (Log representation) appears on 8 US grants and 2 published applications in this corpus.
Search patents in G01N- Granted patents
- 8
- Published applications
- 2
- Assignees
- 10
- Inventors
- 11
- Latest grant
- 25 Sep 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Non-invasive blood constituent measuring instrument and measuring method25 Sep 2012US 8,275,433 B2yu.sys.corporation
- Image forming apparatus for controlling image density using logarithm compressing means15 Nov 1994US 5,365,313 AKabushiki Kaisha Toshiba
- Indicator circuit for a concentration measuring apparatus21 Jan 1992US 5,083,036 AHF Scientific, Inc.
- Portable spectrophotometric instrument having vial holder and light integrator7 May 1991US 5,013,155 AChemetrics, Inc.
- Chemical analyzer19 Jun 1990US 4,935,875 AData Chem., Inc.
Most cited
By later US patents
- Chemical analyzer118US 4,935,875 AData Chem., Inc. · 1990
- Portable spectrophotometric instrument having vial holder and light integrator27US 5,013,155 AChemetrics, Inc. · 1991
- Dual beam multichannel spectrophotometer with a unique logarithmic data converter17US 4,848,904 AApplied Biosystems, LLC · 1989
- Method and means for operating logarithmic circuits10US 4,300,203 ABeckman Instruments, Inc. · 1981
- Image forming apparatus for controlling image density using logarithm compressing means8US 5,365,313 AKabushiki Kaisha Toshiba · 1994