Y10S 315/01
Fluorescent lamp circuits with more than two principle electrodes
Y10S315/01 (Fluorescent lamp circuits with more than two principle electrodes) appears on 32 US grants and 2 published applications in this corpus.
Search patents in Y10S- Granted patents
- 32
- Published applications
- 2
- Assignees
- 25
- Inventors
- 54
- Latest grant
- 12 Jun 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Intensity balance for multiple lamps12 Jun 2012US 8,198,829 B2Leviton Manufacturing Co., Inc.
- Cold cathode fluorescent lamp, cold cathode fluorescent lamp driving apparatus, cold cathode fluorescent lamp apparatus, liquid crystal display apparatus, control method for cold cathode fluorescent lamp, and control method for liquid crystal display apparatus8 Sep 2009US 7,586,272 B2Sony Corporation
- Fluorescent lighting assembly with wireless ballast17 Apr 2001US 6,218,782 B1
- Fluorescent lamp with integral conductive traces for extending low-end luminance and heating the lamp tube20 Feb 2001US 6,191,539 B1Korry Electronics Co.
- Fluorescent lamp1 Aug 2000US 6,097,155 APatent-Treuhand-Gesellschaft fuer elektrische Gluehlampen mbH
- Intensity balance for multiple lamps9 Jun 2011US 2011/0133656 A1Leviton Manufacturing Co., Inc.
- Cold cathode fluorescent lamp, cold cathode fluorescent lamp driving apparatus, cold cathode fluorescent lamp apparatus, liquid crystal display apparatus, control method for cold cathode fluorescent lamp, and control method for liquid crystal display apparatus21 Dec 2006US 2006/0284565 A1Sony Corporation
Most cited
By later US patents
- Tricolor fluorescent lamp195US 4,625,152 AMatsushita Electric Works, Ltd. · 1986
- Low pressure gas discharge lamp with increased end illumination57US 4,329,622 AXerox Corporation · 1982
- Electronic ballast for a discharge lamp52US 4,553,070 AOy Helvar · 1985
- Flat type fluorescent lamp and method of lighting47US 5,220,249 ANEC Corporation · 1993
- Fluorescent lamp with wide range of luminous intensities32US 5,420,481 ASmiths Industries Limited · 1995