H01H 2217/012
Two keys simultaneous considerations
H01H2217/012 (Two keys simultaneous considerations) appears on 63 US grants and 62 published applications in this corpus.
Search patents in H01H- Granted patents
- 63
- Published applications
- 62
- Assignees
- 49
- Inventors
- 129
- Latest grant
- 7 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 3 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 2 | 4 |
| 2010 | 3 | 8 |
| 2011 | 2 | 9 |
| 2012 | 8 | 4 |
| 2013 | 8 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 3 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Operation input device7 Sep 2021US 11,112,876 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Keyboard device4 Jun 2019US 10,312,034 B1Primax Electronics Ltd.
- Ergonomic computer keyboard17 Jul 2018US 10,025,392 B1
- Rocker input mechanism19 Jun 2018US 10,002,731 B2Apple Inc.
- Earphone device and sound-reproducing system using the same22 May 2018US 9,980,032 B2Foster Electric Company, Limited
- Manufacturing method of membrane circuit board11 Jan 2024US 2024/0015892 A1Primax Electronics Ltd.
- Typing assistance member and keyboard7 Sep 2023US 2023/0282427 A1
- Key structure19 Jan 2023US 2023/0014686 A1Primax Electronics Ltd.
- Touch type keyboard using temporal evatuation of timestamps to modify key functions5 May 2022US 2022/0137718 A1Synerdyne Corporation
- Operation input device30 Apr 2020US 2020/0133401 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
Most cited
By later US patents
- Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space209US 5,372,441 ATypeRight Keyboard Corporation · 1994
- Cluster key arrangement145US 6,377,685 B12002
- Multi-directional switch133US 4,687,200 ANintendo Co., Ltd. · 1987
- Keyboard having plurality of keys therein, each key establishing different electric contacts102US 6,103,979 AFujitsu Limited · 2000
- Keypads and key switches88US 6,911,608 B2Digit Wireless, LLC · 2005