H02J 50/30
Circuit arrangements or systems for wireless supply or distribution of electric power
Official title: using light, e.g. lasers
H02J50/30 (Circuit arrangements or systems for wireless supply or distribution of electric power) appears on 544 US grants and 720 published applications in this corpus.
Search patents in H02J- Granted patents
- 544
- Published applications
- 720
- Assignees
- 322
- Inventors
- 1,149
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 4 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 4 | 5 |
| 2009 | 2 | 6 |
| 2010 | 2 | 18 |
| 2011 | 8 | 23 |
| 2012 | 6 | 10 |
| 2013 | 11 | 19 |
| 2014 | 19 | 30 |
| 2015 | 11 | 33 |
| 2016 | 23 | 33 |
| 2017 | 30 | 42 |
| 2018 | 44 | 43 |
| 2019 | 38 | 46 |
| 2020 | 50 | 60 |
| 2021 | 42 | 53 |
| 2022 | 60 | 76 |
| 2023 | 45 | 50 |
| 2024 | 57 | 47 |
| 2025 | 42 | 57 |
| 2026 | 25 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless power distribution system6 Oct 2026US 12,756,239 B2Wi-Charge Ltd.
- System for remote wireless charging for electric vehicle using OOFDMA and risley prisms29 Sep 2026US 12,749,923 B2Industry-Academic Cooperation Foundation, Yeungnam University
- Interactive object systems and methods15 Sep 2026US 12,734,455 B2Universal City Studios LLC
- Reconfigurable solar array for stable output voltage over a range of temperatures with high operational efficiency25 Aug 2026US 12,720,911 B2Northrop Grumman Systems Corporation
- Doors and systems for control of internet of things (IOT) devices and methods thereof18 Aug 2026US 12,712,397 B2Masonite Corporation
- System and method for optically transmitting electrical power or communications signals8 Oct 2026US 2026/0312434 A1University of Connecticut
- Optical power meter for safe operation of optical wireless power systems1 Oct 2026US 2026/0298705 A1Wi-Charge Ltd.
- Energy harvesting apparatus and method1 Oct 2026US 2026/0302831 A1Nditive3D Inc.
- Methods, electronic devices, and non-transitory computer-readable storage mediums for wireless charging24 Sep 2026US 2026/0291290 A1Lockin Technology (Beijing) Co., Ltd.
- Self-recharging electronic device10 Sep 2026US 2026/0269654 A1Quanta Computer Inc.
Most cited
By later US patents
- Apparatus for energizing a remote station and related method646US 6,615,074 B2University of Pittsburgh—Of the Commonwealth System of Higher Education · 2003
- Remote power recharge for electronic equipment421US 7,068,991 B22006
- Battery with electronic compartment392US 8,310,201 B1Cypress Semiconductor Corporation · 2012
- Remote charging system for a vehicle374US 5,982,139 A1999
- Method and apparatus for harvesting energy337US 8,362,745 B2Audiovox Corporation · 2013