H03K 17/54
By the use, as active elements of vacuum tubes
Official title: by the use, as active elements of vacuum tubes (using diodes H03K17/74)
H03K17/54 (By the use, as active elements of vacuum tubes) appears on 32 US grants and 15 published applications in this corpus.
Search patents in H03K- Granted patents
- 32
- Published applications
- 15
- Assignees
- 22
- Inventors
- 61
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 4 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Sampling switch circuits11 Jun 2024US 12,009,832 B2Socionext Inc.
- Liquid crystal display panel and controlling circuit30 Jun 2020US 10,698,238 B2Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Laser triggered multi-stage vacuum switch17 Mar 2020US 10,594,113 B2Dalian University of Technology
- Field emission devices and methods of making thereof10 Dec 2019US 10,504,772 B2Infineon Technologies AG
- Field emission devices and methods of making thereof18 Jul 2017US 9,711,392 B2Infineon Technologies AG
- Sampling switch circuits22 Dec 2022US 2022/0407535 A1Socionext Inc.
- A laser triggered multi-stage vacuum switch17 Oct 2019US 2019/0319432 A1Dalian University of Technology
- Liquid Crystal Display Panel and Controlling Circuit4 Apr 2019US 2019/0101777 A1Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Field Emission Devices and Methods of Making Thereof21 Dec 2017US 2017/0365507 A1Infineon Technologies AG
- Semiconductor device and driving method thereof29 Oct 2015US 2015/0311886 A1Semiconductor Energy Laboratory Co.Ltd.
Most cited
By later US patents
- Split collector vacuum field effect transistor357US 5,012,153 A1991
- Ultra-fast field emitter array vacuum integrated circuit switching device100US 4,578,614 AThe United States of America as represented by the Secretary of the Navy · 1986
- Point contact array, not circuit, and electronic circuit comprising the same70US 7,026,911 B2Japan Science and Technology Corporation · 2006
- Point contact array, not circuit, and electronic circuit comprising the same52US 7,473,982 B2Japan Science and Technology Agency · 2009
- Point contact array, not circuit, and electronic circuit using the same49US 7,525,410 B2Japan Science and Technology Agency · 2009