H05B 41/382
During the transitional start-up phase
Official title: {during the transitional start-up phase}
H05B41/382 (During the transitional start-up phase) appears on 486 US grants and 285 published applications in this corpus.
Search patents in H05B- Granted patents
- 486
- Published applications
- 285
- Assignees
- 197
- Inventors
- 789
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 8 | 0 |
| 1998 | 19 | 0 |
| 1999 | 17 | 0 |
| 2000 | 34 | 0 |
| 2001 | 23 | 4 |
| 2002 | 25 | 23 |
| 2003 | 26 | 31 |
| 2004 | 21 | 17 |
| 2005 | 20 | 26 |
| 2006 | 22 | 33 |
| 2007 | 19 | 26 |
| 2008 | 23 | 14 |
| 2009 | 19 | 21 |
| 2010 | 11 | 31 |
| 2011 | 16 | 19 |
| 2012 | 24 | 6 |
| 2013 | 17 | 7 |
| 2014 | 7 | 5 |
| 2015 | 11 | 11 |
| 2016 | 7 | 4 |
| 2017 | 4 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Light source device, dielectric barrier discharge lamp lighting circuit, dielectric barrier discharge lamp lighting method8 Jul 2025US 12,356,517 B2Ushio Denki Kabushiki Kaisha
- Image forming apparatus that fixes toner image to recording medium using first and second heaters supplied with current during overlapping time periods27 Feb 2024US 11,914,315 B2Canon Kabushiki Kaisha
- Light source device, and sterilizing/deodorizing device14 Nov 2023US 11,813,372 B2Ushio Denki Kabushiki Kaisha
- Restrike ignitor31 Jan 2023US 11,569,082 B2Hubbell Incorporated
- Discharge lamp lighting control apparatus and lamp current supply method1 Mar 2022US 11,265,978 B2Sansha Electric Manufacturing Company, Limited
- Light source device, dielectric barrier discharge lamp lighting circuit, dielectric barrier discharge lamp lighting method21 Dec 2023US 2023/0413398 A1Ushio Denki Kabushiki Kaisha
- Image forming apparatus that fixes toner image to recording medium using heater26 Jan 2023US 2023/0025489 A1Canon Kabushiki Kaisha
- Restrike ignitor29 Sep 2022US 2022/0310379 A1Hubbell Incorporated
- Light source device, and sterilizing/deodorizing device10 Mar 2022US 2022/0072168 A1Ushio Denki Kabushiki Kaisha
- Discharge lamp lighting control apparatus and lamp current supply method22 Jul 2021US 2021/0227653 A1Sansha Electric Manufacturing Company, Limited
Most cited
By later US patents
- Lamp control scheme for rapid warmup of fluorescent lamp in office equipment160US 5,907,742 AHewlett-Packard Company · 1999
- High efficiency electronic ballast for high intensity discharge lamps121US 5,677,602 A1997
- Compact fluorescent lamp dimming system110US 5,144,205 ALutron Electronics Co., Inc. · 1992
- Dimmable backlight system109US 6,198,234 B1Linfinity Microelectronics · 2001
- Discharge lamp driving106US 5,932,976 AMatsushita Electric Works R&D Laboratory, Inc. · 1999