H04M 1/22
Illumination
Official title: Illumination; Arrangements for improving the visibility of characters on dials
H04M1/22 (Illumination) appears on 1,031 US grants and 1,346 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,031
- Published applications
- 1,346
- Assignees
- 401
- Inventors
- 2,619
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 20 |
| 2002 | 25 | 39 |
| 2003 | 21 | 47 |
| 2004 | 30 | 71 |
| 2005 | 31 | 67 |
| 2006 | 44 | 83 |
| 2007 | 38 | 86 |
| 2008 | 40 | 113 |
| 2009 | 32 | 115 |
| 2010 | 73 | 104 |
| 2011 | 52 | 62 |
| 2012 | 81 | 70 |
| 2013 | 64 | 59 |
| 2014 | 48 | 42 |
| 2015 | 48 | 41 |
| 2016 | 50 | 51 |
| 2017 | 36 | 42 |
| 2018 | 30 | 34 |
| 2019 | 41 | 37 |
| 2020 | 39 | 47 |
| 2021 | 30 | 21 |
| 2022 | 33 | 21 |
| 2023 | 16 | 25 |
| 2024 | 16 | 19 |
| 2025 | 17 | 20 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible electronic display with contextual illumination6 Oct 2026US 12,753,913 B2Motorola Mobility LLC
- Mobile phone case with RGB light module1 Sep 2026US 12,726,560 B2
- Lighting effect generation and control25 Aug 2026US 12,720,661 B2
- Handheld electronic device18 Aug 2026US 12,712,956 B2Apple Inc.
- Display device11 Aug 2026US 12,704,751 B2LG Display Co., Ltd.
- Handheld electronic device9 Jul 2026US 2026/0197385 A1Apple Inc.
- Smart mobile phone case with display screen7 May 2026US 2026/0129116 A1Shenzhen Noor Trading Co.,Ltd
- Flexible electronic display with contextual illumination2 Apr 2026US 2026/0092698 A1Motorola Mobility LLC
- Screen Mirroring Accessory26 Mar 2026US 2026/0089246 A1
- Brightness adjustment system and method, and electronic device19 Mar 2026US 2026/0081987 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Visual notification methods for candy-bar type cellphones1,196US 8,134,306 B2Research In Motion Limited · 2012
- Systems and methods for color changing device and enclosure369US 6,888,322 B2Color Kinetics Incorporated · 2005
- Illuminated pushbutton keyboard327US 5,408,060 ANokia Mobile Phones Ltd. · 1995
- Lighting system for a keyboard278US 6,179,432 B2Compaq Computer Corporation · 2001
- Electronic apparatus with backlighting device277US 6,891,525 B2NEC Corporation · 2005