H01H 2221/0702
Transparent key containing three dimensional element
Official title: Transparent key containing three dimensional (3D) element
H01H2221/0702 (Transparent key containing three dimensional element) appears on 17 US grants and 18 published applications in this corpus.
Search patents in H01H- Granted patents
- 17
- Published applications
- 18
- Assignees
- 15
- Inventors
- 41
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Illuminated keyswitch structure and illuminating module13 Jan 2026US 12,525,414 B2Darfon Electronics Corp.
- Light-pervious bicolor key cap19 Nov 2024US RE50,214 E1Taiwan Tai-Hao Enterprise Co., Ltd.
- Illuminated keyswitch structure and illuminating module13 Aug 2024US 12,062,506 B2Darfon Electronics Corp.
- Illuminated keyswitch structure and illuminating module15 Aug 2023US 11,728,110 B2Darfon Electronics Corp.
- Module cover for a key module for a key, key module for a key, and method for producing a key9 Feb 2021US 10,916,387 B2Cherry GmbH
- Illuminated keyswitch structure and illuminating module6 Jun 2024US 2024/0186080 A1Darfon Electronics Corp.
- Illuminated keyswitch structure and illuminating module23 Nov 2023US 2023/0377818 A1Darfon Electronics Corp.
- Illuminated keyswitch structure20 Oct 2022US 2022/0336167 A1Darfon Electronics Corp.
- Module cover for a key module for a key, key module for a key, and method for producing a key7 May 2020US 2020/0144003 A1Cherry GmbH
- Input device3 Oct 2019US 2019/0303001 A1Fujitsu Component Limited
Most cited
By later US patents
- Keyboard of elastic material for office machines34US 3,964,594 AIng. C. Olivetti & C., S.p.A. · 1976
- Decorative molded body, key top for a pushbutton switch, and key sheet for the pushbutton switch21US 7,727,618 B2Polymatech Co., Ltd. · 2010
- Medallion-like articles, lamp lenses and method for their manufacture12US 4,259,388 AThe D. L. Auld Company · 1981
- Keypad assembly having three-dimensional patterns9US 7,663,071 B2Ichia Technologies, Inc. · 2010
- Light-pervious bicolor key cap6US 10,115,538 B2Taiwan Tai-Hao Enterprise Co., Ltd. · 2018