F24S 23/12
Light guides
Official title: {Light guides}
F24S23/12 (Light guides) appears on 253 US grants and 255 published applications in this corpus.
Search patents in F24S- Granted patents
- 253
- Published applications
- 255
- Assignees
- 124
- Inventors
- 441
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 5 |
| 2005 | 3 | 1 |
| 2006 | 1 | 5 |
| 2007 | 3 | 5 |
| 2008 | 3 | 7 |
| 2009 | 4 | 15 |
| 2010 | 2 | 30 |
| 2011 | 9 | 15 |
| 2012 | 12 | 31 |
| 2013 | 15 | 16 |
| 2014 | 18 | 15 |
| 2015 | 8 | 18 |
| 2016 | 13 | 13 |
| 2017 | 14 | 10 |
| 2018 | 10 | 13 |
| 2019 | 15 | 10 |
| 2020 | 7 | 13 |
| 2021 | 5 | 4 |
| 2022 | 5 | 8 |
| 2023 | 4 | 3 |
| 2024 | 1 | 10 |
| 2025 | 6 | 3 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electromagnetic radiation collecting and directing device25 Aug 2026US 12,716,561 B2
- Wireless power beam routing infrastructure systems and methods18 Aug 2026US 12,713,735 B2Nant Holdings IP, LLC
- Solar energy utilization device28 Jul 2026US 12,693,043 B2Boly Media Communications (Shenzhen) Co., Ltd.
- Modular solar energy harvesting and storage systems for power generation28 Apr 2026US 12,613,056 B2Photonstor Corp.
- Solar energy storage and generation system24 Feb 2026US 12,562,681 B2Winner Technology Co., Ltd.
- Systems and methods for a device having solar material displaying vivid images using structural ink20 Aug 2026US 2026/0243469 A1Toyota Jidosha Kabushiki Kaisha
- Solar energy system and method for transferring sunlight from a sunlight collection location to a remote sunlight distribution location for photovoltaic effect11 Jun 2026US 2026/0163520 A1
- Solar concentration apparatus capable of adjusting angle of light concentrator by using sliding structure18 Sep 2025US 2025/0293637 A1
- Wireless power beam routing infrastructure systems and methods8 May 2025US 2025/0151455 A1Nant Holdings IP, LLC
- Modular solar energy harvesting and storage systems for power generation1 May 2025US 2025/0137691 A1Sol Energia Inc.
Most cited
By later US patents
- Nanocomposites165US 7,068,898 B2Nanosys, Inc. · 2006
- Apparatus for collecting, distributing and utilizing solar radiation137US 4,411,490 A1983
- Solar energy concentrator135US 7,672,549 B2Banyan Energy, Inc. · 2010
- Survivable solar power-generating systems for use with spacecraft128US 5,089,055 A1992
- Cylindrical radiant energy direction device with refractive medium96US 4,114,592 AThe United States of America as represented by the United States Department of Energy · 1978