H03K 17/78
Using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
Official title: using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
H03K17/78 (Using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled) appears on 911 US grants and 525 published applications in this corpus.
Search patents in H03K- Granted patents
- 911
- Published applications
- 525
- Assignees
- 518
- Inventors
- 1,652
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 18 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 17 | 0 |
| 1987 | 29 | 0 |
| 1988 | 23 | 0 |
| 1989 | 20 | 0 |
| 1990 | 22 | 0 |
| 1991 | 40 | 0 |
| 1992 | 24 | 0 |
| 1993 | 23 | 0 |
| 1994 | 17 | 0 |
| 1995 | 26 | 0 |
| 1996 | 17 | 0 |
| 1997 | 12 | 0 |
| 1998 | 20 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 3 |
| 2002 | 14 | 2 |
| 2003 | 10 | 8 |
| 2004 | 9 | 20 |
| 2005 | 9 | 13 |
| 2006 | 11 | 18 |
| 2007 | 16 | 14 |
| 2008 | 10 | 24 |
| 2009 | 17 | 14 |
| 2010 | 15 | 9 |
| 2011 | 15 | 11 |
| 2012 | 4 | 17 |
| 2013 | 9 | 24 |
| 2014 | 34 | 26 |
| 2015 | 21 | 25 |
| 2016 | 28 | 20 |
| 2017 | 26 | 23 |
| 2018 | 16 | 31 |
| 2019 | 36 | 43 |
| 2020 | 45 | 40 |
| 2021 | 28 | 24 |
| 2022 | 25 | 36 |
| 2023 | 25 | 15 |
| 2024 | 21 | 29 |
| 2025 | 20 | 23 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Twister oven for photoconductive switches6 Oct 2026US 12,754,373 B2Lawrence Livermore National Security, LLC
- Switching of power semiconductor devices by programmable current pulses6 Oct 2026US 12,756,383 B2OPTUNITY, Inc
- Semiconductor relay and electric circuit comprising same6 Oct 2026US 12,756,394 B2Panasonic Intellectual Property Management Co., Ltd.
- Wide band-gap photo relay18 Aug 2026US 12,712,536 B2Taiwan-Asia Semiconductor Corporation
- Integrated circuit having dynamic switching control and power supply circuit including the same4 Aug 2026US 12,700,805 B2Fuji Electric Co., Ltd.
- Semiconductor device17 Sep 2026US 2026/0282590 A1Kabushiki Kaisha Toshiba
- Semiconductor device and photorelay circuit10 Sep 2026US 2026/0271375 A1Kabushiki Kaisha Toshiba
- Electronic device for detecting external pressure and error occurrence and control method thereof30 Jul 2026US 2026/0219123 A1Samsung Electronics Co., Ltd.
- Electronic circuit, electronic device, and wireless communication device16 Jul 2026US 2026/0205116 A1Seiko Group Corporation
- Semiconductor relay and electric circuit comprising same18 Jun 2026US 2026/0172029 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Light-emitting diode assemblies and systems therefore311US 4,675,575 AE & G Enterprises · 1987
- Power tool interface219US 7,174,973 B1C. E. Electronics, Inc. · 2007
- Optical cross-point switch204US 4,074,142 A1978
- Integrated circuit incorporating low voltage and high voltage semiconductor devices168US 4,412,142 AGeneral Electric Company · 1983
- Solar photovoltaic module safety shutdown system143US 8,859,884 B2Helios Focus LLC · 2014