H01H 2221/07
Transparent
Official title: transparent
H01H2221/07 (Transparent) appears on 388 US grants and 423 published applications in this corpus.
Search patents in H01H- Granted patents
- 388
- Published applications
- 423
- Assignees
- 199
- Inventors
- 736
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 4 |
| 2002 | 7 | 13 |
| 2003 | 8 | 15 |
| 2004 | 15 | 14 |
| 2005 | 5 | 26 |
| 2006 | 17 | 38 |
| 2007 | 18 | 29 |
| 2008 | 24 | 30 |
| 2009 | 24 | 54 |
| 2010 | 17 | 23 |
| 2011 | 22 | 22 |
| 2012 | 29 | 19 |
| 2013 | 11 | 9 |
| 2014 | 16 | 14 |
| 2015 | 5 | 11 |
| 2016 | 8 | 9 |
| 2017 | 10 | 9 |
| 2018 | 18 | 15 |
| 2019 | 12 | 18 |
| 2020 | 12 | 15 |
| 2021 | 6 | 4 |
| 2022 | 7 | 6 |
| 2023 | 6 | 9 |
| 2024 | 5 | 4 |
| 2025 | 7 | 5 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Keyboard device and electronic apparatus18 Aug 2026US 12,712,139 B2Lenovo (Singapore) Pte. Ltd.
- Button device and electronic device2 Jun 2026US 12,645,244 B2Casio Computer Co., Ltd.
- Aerosol-generating device7 Apr 2026US 12,593,871 B2Kt&G Corporation
- Light-emitting keyboard and backlight module7 Apr 2026US 12,597,570 B2Lite-On Electronics (Guangzhou) Limited
- Illuminated keyswitch structure and illuminating module13 Jan 2026US 12,525,414 B2Darfon Electronics Corp.
- Push button device and acoustic device13 Aug 2026US 2026/0236107 A1Alphatheta Corporation
- Light-emitting keyboard9 Jul 2026US 2026/0196418 A1Lite-On Electronics (Guangzhou) Limited
- Multi-color keyboard keycap with protruding contour line25 Jun 2026US 2026/0179861 A1Shenzhen Shicheng Optics Co., Ltd.
- Keyboard device and electronic apparatus11 Jun 2026US 2026/0162917 A1Lenovo (Singapore) Pte. Ltd.
- Surface-mounted backlit switch30 Apr 2026US 2026/0120976 A1C&K Components S.A.S.
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
- Keyboard having illuminated keys266US 6,467,924 B22002