H01J 61/32
Special longitudinal shape
Official title: Special longitudinal shape, e.g. for advertising purposes {(H01J61/305 takes precedence)}
H01J61/32 (Special longitudinal shape) appears on 460 US grants and 362 published applications in this corpus.
Search patents in H01J- Granted patents
- 460
- Published applications
- 362
- Assignees
- 184
- Inventors
- 885
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 12 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 19 | 0 |
| 1998 | 24 | 0 |
| 1999 | 16 | 0 |
| 2000 | 18 | 0 |
| 2001 | 13 | 5 |
| 2002 | 21 | 29 |
| 2003 | 24 | 15 |
| 2004 | 19 | 29 |
| 2005 | 8 | 37 |
| 2006 | 20 | 33 |
| 2007 | 17 | 33 |
| 2008 | 25 | 31 |
| 2009 | 20 | 37 |
| 2010 | 19 | 27 |
| 2011 | 20 | 23 |
| 2012 | 19 | 14 |
| 2013 | 12 | 8 |
| 2014 | 9 | 13 |
| 2015 | 4 | 8 |
| 2016 | 8 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 4 | 3 |
| 2020 | 3 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light emitting plasma lamp bulb for solar UV simulation and lamp comprising the same24 Mar 2026US 12,586,772 B2Korea Research Institute of Chemical Technology
- Microwave excitation light-source device8 Jul 2025US 12,354,866 B2Mitsubishi Electric Corporation
- Plasma light engine24 Dec 2024US 12,176,201 B2
- Lamp comprising multiple component designs and constructions22 Aug 2023US 11,735,409 B2Teslo Pty Ltd
- Ultraviolet lamp tube and gas discharge UV lamp20 Jun 2023US 11,682,547 B1Langsim Optoelectronic Technologies (Guangdong) Limited
- Excimer lamp26 Mar 2026US 2026/0088267 A1ORC Manufacturing Co., Ltd.
- Devices and systems for using, monitoring and controlling far ultraviolet-c radiation and methods of using such devices and systems26 Feb 2026US 2026/0058112 A1Eden Park Illumination
- Microwave excitation light-source device24 Apr 2025US 2025/0132143 A1Mitsubishi Electric Corporation
- Light emitting plasma lamp bulb for solar uv simulation and lamp comprising the same22 Feb 2024US 2024/0063011 A1Korea Research Institute of Chemical Technology
- Plasma light engine25 May 2023US 2023/0162968 A1
Most cited
By later US patents
- Fluorescent tube with light emitting diodes234US 6,583,550 B2Toyoda Gosei Co., Ltd. · 2003
- Light source arrangement of a scanner110US 5,768,663 A1998
- LED light bulb with active ingredient emission110US 7,246,919 B2S. C. Johnson & Son, Inc. · 2007
- Compact fluorescent lamp unit having segregated air-cooling means107US 4,503,360 ANorth American Philips Lighting Corporation · 1985
- Discharge lamp, image display device using the same and discharge lamp producing method85US 5,514,934 AMitsubishi Denki Kabushiki Kaisha · 1996