H03H 11/38
One-way transmission networks, i.e. unilines
H03H11/38 (One-way transmission networks, i.e. unilines) appears on 19 US grants and 12 published applications in this corpus.
Search patents in H03H- Granted patents
- 19
- Published applications
- 12
- Assignees
- 16
- Inventors
- 33
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, arrangement and method for electromagnetic isolation for quantum computing circuit17 Feb 2026US 12,556,171 B2IQM Finland Oy
- Multipole multiband isolator devices16 Dec 2025US 12,500,324 B2International Business Machines Corporation
- Superconducting parametric interferometers for isolation and directional amplification5 Aug 2025US 12,381,554 B1International Business Machines Corporation
- Wideband low power active isolator30 Nov 2021US 11,190,165 B1Huawei Technologies Co., Ltd.
- Filter circuit based on a MOS field effect transistor and chip including the same23 Feb 2021US 10,930,643 B2Shenzhen Goodix Technology Co., Ltd.
- Apparatus, arrangement and method for electromagnetic isolation for quantum computing circuit28 May 2026US 2026/0149438 A1IQM Finland Oy
- Multipole multiband isolator devices2 Jan 2025US 2025/0007141 A1International Business Machines Corporation
- Apparatus, arrangement and method for electromagnetic isolation for quantum computing circuit21 Nov 2024US 2024/0388282 A1IQM Finland Oy
- Filter circuit based on a mos field effect transistor and chip including the same28 Feb 2019US 2019/0067272 A1Shenzhen Goodix Technology Co., Ltd.
- Receiver architecture for digital isolators employing notch filters for common mode transient immunity28 Feb 2019US 2019/0068410 A1Silicon Laboratories Inc.
Most cited
By later US patents
- Switch circuit device96US 5,945,867 ASanyo Electric Co., Ltd. · 1999
- Intrinsically safe multi-drop communications link53US 4,691,384 ATechnical Oil Tools Corporation · 1987
- Broadband high frequency active MMIC circulator16US 5,144,266 AMotorola, Inc. · 1992
- Circuit for driving switched transistor and filter, circulator and correlator including the same8US 10,742,208 B1HRL Laboratories, LLC · 2020
- Coupling circuit using a photocoupler5US 4,114,054 AMitsubishi Denki Kabushiki Kaisha · 1978