H01H 2201/016
Roughened contact surface
Official title: Roughened contact surface, e.g. anti-adhering
H01H2201/016 (Roughened contact surface) appears on 7 US grants and 5 published applications in this corpus.
Search patents in H01H- Granted patents
- 7
- Published applications
- 5
- Assignees
- 9
- Inventors
- 34
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Switch26 Dec 2023US 11,852,548 B2Mitsumi Electric Co., Ltd.
- Contact member, sliding contact, electrical device and method for producing contact member having electrical contact surface layer comprising coated particles13 Aug 2019US 10,381,174 B2OMRON Corporation
- Precious metal switch contact component and its preparation method17 Jul 2018US 10,026,564 B2Nantong Memtech Technology Co., Ltd.
- Touch panel22 May 2012US 8,182,898 B2Nitto Denko Corporation
- Button switch4 Dec 2001US 6,326,571 B1Matsushita Electric Industrial Co., Ltd.
- Metal contact member and rubber switch member1 Jul 2021US 2021/0202190 A1Sekisui Polymatech Co., Ltd.
- Switch27 May 2021US 2021/0156753 A1Mitsumi Electric Co., Ltd.
- Contact member, sliding contact, electrical device and method for producing contact member21 Jun 2018US 2018/0174774 A1OMRON Corporation
- A Precious Metal Switch Contact Component and Its Preparation Method22 Dec 2016US 2016/0372276 A1Nantong Memtech Technologies Co., Ltd.
- Touch panel1 Nov 2007US 2007/0252825 A1Nitto Denko Corporation
Most cited
By later US patents
- Key-board switch unit152US 4,302,648 AShin-Etsu Polymer Co., Ltd. · 1981
- Methods of manufacturing tactile switch for keyboards and the like6US 4,067,102 AEssex International, Inc. · 1978
- Button switch4US 6,326,571 B1Matsushita Electric Industrial Co., Ltd. · 2001
- Precious metal switch contact component and its preparation method1US 10,026,564 B2Nantong Memtech Technology Co., Ltd. · 2018