H01H 2219/028
Printed information
H01H2219/028 (Printed information) appears on 331 US grants and 294 published applications in this corpus.
Search patents in H01H- Granted patents
- 331
- Published applications
- 294
- Assignees
- 210
- Inventors
- 711
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 6 |
| 2002 | 6 | 6 |
| 2003 | 9 | 18 |
| 2004 | 10 | 7 |
| 2005 | 5 | 12 |
| 2006 | 10 | 9 |
| 2007 | 10 | 13 |
| 2008 | 6 | 14 |
| 2009 | 5 | 17 |
| 2010 | 10 | 21 |
| 2011 | 11 | 17 |
| 2012 | 7 | 22 |
| 2013 | 9 | 6 |
| 2014 | 13 | 11 |
| 2015 | 12 | 16 |
| 2016 | 8 | 14 |
| 2017 | 11 | 22 |
| 2018 | 21 | 16 |
| 2019 | 10 | 13 |
| 2020 | 14 | 13 |
| 2021 | 7 | 6 |
| 2022 | 9 | 5 |
| 2023 | 8 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser-cut button veneer for a control device having a backlit keypad26 Aug 2025US 12,400,809 B2Lutron Technology Company LLC
- Light-pervious bicolor key cap19 Nov 2024US RE50,214 E1Taiwan Tai-Hao Enterprise Co., Ltd.
- Computer with keyboard3 Sep 2024US 12,079,043 B2Apple Inc.
- Keyboard23 Apr 2024US 11,967,472 B2Lite-On Technology Corporation
- Light adjusting structure7 Nov 2023US 11,810,736 B1Primax Electronics Ltd.
- Laser-cut button veneer for a control device having a backlit keypad16 Jul 2026US 2026/0204493 A1Lutron Technology Company LLC
- Multi-color keyboard keycap with protruding contour line25 Jun 2026US 2026/0179861 A1Shenzhen Shicheng Optics Co., Ltd.
- Light filtered multicharacter keycaps of a backlit keyboard5 Feb 2026US 2026/0038751 A1Lenovo Enterprise Solutions (Singapore) Pte.Ltd.
- Translucent keycap and method of manufacturing the same25 Sep 2025US 2025/0299893 A1Darfon Electronics Corp.
- Character concealable keycap module3 Jul 2025US 2025/0218703 A1Sunrex Technology Corp.
Most cited
By later US patents
- Illuminated pushbutton keyboard327US 5,408,060 ANokia Mobile Phones Ltd. · 1995
- Touch sensor panel with hidden graphic mode271US 5,239,152 ADonnelly Corporation · 1993
- Composite top membrane for flat panel switch arrays145US 4,258,096 ASheldahl, Inc. · 1981
- Opaque, one-size-fits-all computer keyboard cover which covers only the three or four alpha-numeric rows145US 6,050,825 A2000
- Keytop for push-button switches, and method of manufacturing same142US 5,399,821 ATeikoku Tsushin Kogyo Co., Ltd. · 1995