G08C 23/04
Non-electrical signal transmission systems: using light waves
Official title: using light waves, e.g. infrared
G08C23/04 (Non-electrical signal transmission systems: using light waves) appears on 1,612 US grants and 1,908 published applications in this corpus.
Search patents in G08C- Granted patents
- 1,612
- Published applications
- 1,908
- Assignees
- 804
- Inventors
- 3,313
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 18 | 0 |
| 2001 | 12 | 11 |
| 2002 | 16 | 40 |
| 2003 | 20 | 38 |
| 2004 | 31 | 48 |
| 2005 | 23 | 75 |
| 2006 | 37 | 81 |
| 2007 | 31 | 80 |
| 2008 | 27 | 86 |
| 2009 | 34 | 81 |
| 2010 | 42 | 92 |
| 2011 | 62 | 95 |
| 2012 | 63 | 78 |
| 2013 | 62 | 99 |
| 2014 | 74 | 116 |
| 2015 | 90 | 126 |
| 2016 | 94 | 105 |
| 2017 | 122 | 127 |
| 2018 | 113 | 111 |
| 2019 | 121 | 98 |
| 2020 | 81 | 87 |
| 2021 | 81 | 54 |
| 2022 | 58 | 61 |
| 2023 | 58 | 48 |
| 2024 | 49 | 32 |
| 2025 | 34 | 27 |
| 2026 | 19 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for managing remote control units and paired devices15 Sep 2026US 12,739,646 B2DISH Network Technologies India Private Limited
- Vehicle controller25 Aug 2026US 12,715,375 B2Toyota Jidosha Kabushiki Kaisha
- Display device for controlling multiple devices with one controller and method for operating the same25 Aug 2026US 12,717,536 B2Samsung Electronics Co., Ltd.
- High bandwidth and low latency hybrid communication techniques for a navigation system18 Aug 2026US 12,708,455 B2Stryker Corporation
- Frequency domain opposed-mode photoelectric sensor24 Sep 2026US 2026/0287781 A1Banner Engineering Corp.
- Display device and detection method for touch operation and remote control operation20 Aug 2026US 2026/0245451 A1Sharp Kabushiki Kaisha
- Electronic device, remote control device and controlling method thereof30 Jul 2026US 2026/0223218 A1Samsung Electronics Co., Ltd.
- Externally controlled indicator16 Jul 2026US 2026/0202049 A1Milwaukee Electric Tool Corporation
- System and method for optimized appliance control4 Jun 2026US 2026/0155036 A1Universal Electronics Inc.
Most cited
By later US patents
- Programmable remote control device for interacting with a plurality of remotely controlled devices1,549US 5,410,326 A1995
- Portable internet-enabled controller and information browser for consumer devices812US 6,104,334 AeRemote, Inc. · 2000
- Remote control device with a graphical user interface394US 6,127,941 ASony Corporation · 2000
- Battery with electronic compartment392US 8,310,201 B1Cypress Semiconductor Corporation · 2012
- Universal remote control device365US 4,959,810 AUniversal Electronics Inc. · 1990