H01H 2219/054
Optical elements
H01H2219/054 (Optical elements) appears on 1,410 US grants and 1,571 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,410
- Published applications
- 1,571
- Assignees
- 538
- Inventors
- 2,470
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 3 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 11 |
| 2002 | 13 | 24 |
| 2003 | 26 | 22 |
| 2004 | 21 | 38 |
| 2005 | 18 | 43 |
| 2006 | 28 | 55 |
| 2007 | 35 | 70 |
| 2008 | 53 | 76 |
| 2009 | 44 | 111 |
| 2010 | 54 | 107 |
| 2011 | 50 | 93 |
| 2012 | 90 | 98 |
| 2013 | 62 | 61 |
| 2014 | 71 | 81 |
| 2015 | 48 | 65 |
| 2016 | 53 | 61 |
| 2017 | 58 | 65 |
| 2018 | 61 | 58 |
| 2019 | 70 | 83 |
| 2020 | 70 | 66 |
| 2021 | 54 | 42 |
| 2022 | 52 | 59 |
| 2023 | 58 | 65 |
| 2024 | 59 | 53 |
| 2025 | 41 | 29 |
| 2026 | 28 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Keyboard module6 Oct 2026US 12,755,909 B2Lite-On Technology Corporation
- Backlight module and lighting keyboard22 Sep 2026US 12,744,169 B2Darfon Electronics Corp.
- Keyboard device and electronic apparatus18 Aug 2026US 12,712,139 B2Lenovo (Singapore) Pte. Ltd.
- Light guide for electronic device, such as oral irrigator28 Jul 2026US 12,690,945 B2Water Pik, Inc.
- Control devices having independently suspended buttons for controlled actuation7 Jul 2026US 12,676,267 B2Lutron Technology Company LLC
- Control devices having independently suspended buttons for controlled actuation8 Oct 2026US 2026/0311942 A1Lutron Technology Company LLC
- Button design, gaming machine, and method for gaming machines1 Oct 2026US 2026/0301503 A1Everi Games, Inc.
- Button design, gaming machine, and method for gaming machines24 Sep 2026US 2026/0290111 A1Everi Games, Inc.
- Device having integrated interface system17 Sep 2026US 2026/0277330 A1Apple Inc.
- Keyboard module30 Jul 2026US 2026/0221355 A1Lite-On Technology Corporation
Most cited
By later US patents
- Protective cover for a lighting device1,137US 6,185,356 B2Lumitex, Inc. · 2001
- Illuminated pushbutton keyboard327US 5,408,060 ANokia Mobile Phones Ltd. · 1995
- Keyboard having illuminated keys308US 6,217,183 B12001
- Light emitting panel assemblies288US 5,613,751 ALumitex, Inc. · 1997
- Illuminated keyboard281US 6,918,677 B22005