H01H 2207/04
Details of printed conductors
H01H2207/04 (Details of printed conductors) appears on 43 US grants and 29 published applications in this corpus.
Search patents in H01H- Granted patents
- 43
- Published applications
- 29
- Assignees
- 37
- Inventors
- 95
- Latest grant
- 19 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 3 | 8 |
| 2016 | 2 | 6 |
| 2017 | 5 | 1 |
| 2018 | 5 | 0 |
| 2019 | 2 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Light source board, manufacturing method thereof, and luminous keyboard using the same19 Jan 2021US 10,895,372 B2Darfon Electronics Corp.
- Light-emitting assembly for keyboard29 Dec 2020US 10,879,019 B2Apple Inc.
- Light source board, manufacturing method thereof, and luminous keyboard using the same28 Jul 2020US 10,727,009 B2Darfon Electronics Corp.
- Light source board, manufacturing method thereof, and luminous keyboard using the same23 Jun 2020US 10,692,663 B2Darfon Electronics Corp.
- Membrane switch device and keyboard device11 Feb 2020US 10,559,437 B1Chicony Electronics Co., Ltd.
- Printed circuit structure22 Dec 2022US 2022/0406977 A1Darfon Electronics Corp.
- Membrane switch device and keyboard device5 Mar 2020US 2020/0075270 A1Chicony Electronics Co., Ltd.
- Light source board, manufacturing method thereof, and luminous keyboard using the same5 Dec 2019US 2019/0368706 A1Darfon Electronics Corp.
- Light source board, manufacturing method thereof, and luminous keyboard using the same5 Dec 2019US 2019/0371537 A1Darfon Electronics Corp.
- Light source board, manufacturing method thereof, and luminous keyboard using the same5 Dec 2019US 2019/0371538 A1Darfon Electronics Corp.
Most cited
By later US patents
- Circuit unit for electronic instrument having key-pad arrangement62US 5,357,065 AFujitsu Limited · 1994
- Membrane switch and fabrication method37US 5,228,562 AGM Nameplate, Inc. · 1993
- Electronic keyboard35US 4,467,150 ADigital Equipment Corporation · 1984
- Dome switch and switch housing for keyboard assembly23US 9,870,880 B2Apple Inc. · 2018
- Membrane touch panel having improved conductor construction22US 4,484,038 ADorman-Bogdonoff Corporation · 1984