G09F 13/42
Illuminated signs: with light sources activated by non-visible radiation
Official title: with light sources activated by non-visible radiation (cathode ray image or pattern display tubes H01J31/10; lamps with luminescent screens excited by cathode rays H01J63/06)
G09F13/42 (Illuminated signs: with light sources activated by non-visible radiation) appears on 32 US grants and 23 published applications in this corpus.
Search patents in G09F- Granted patents
- 32
- Published applications
- 23
- Assignees
- 28
- Inventors
- 76
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 5 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 5 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selective visualization of an image using second pass-through of polarized light6 Oct 2026US 12,754,439 B2Disney Enterprises, Inc.
- Patterned wavelength-selective image9 Apr 2024US 11,953,706 B23M Innovative Properties Company
- Method of setting light emission control of each light emission tool in area and method of controlling light emission5 Jul 2022US 11,380,226 B2NEC Solution Innovators, Ltd.
- Light-emitting sign device and low-power predictive diagnosis bidirectional adaptive control system comprising same15 Feb 2022US 11,251,651 B2Altech Co., Ltd.
- Solar light assembly17 Aug 2021US 11,092,299 B2Green Light Optics LLC
- Selective visualization of an image15 Jan 2026US 2026/0016699 A1Disney Enterprises, Inc.
- Display for an aerosol-generating device13 Jul 2023US 2023/0218010 A1Philip Morris Products S. A.
- A patterned wavelength-selective image16 Sep 2021US 2021/0286111 A13M Innovative Properties Company
- Method of setting light emission control of each light emission tool in area and method of controlling light emission9 Sep 2021US 2021/0282250 A1NEC Solution Innovators, Ltd.
- Light-emitting sign device and low-power predictive diagnosis bidirectional adaptive control system comprising same15 Jul 2021US 2021/0218272 A1Altech Co., Ltd.
Most cited
By later US patents
- Product packaging arrangement using invisible marking for product orientation47US 6,370,844 B1Eveready Battery Company, Inc. · 2002
- Luminous marking in an indentation of an object33US 4,020,203 A1977
- Phosphorescent marking system28US 4,590,381 APineapple Industries, Inc. · 1986
- Safe and efficient self-luminous microspheres22US 4,677,008 A1987
- Self-luminous safety sign21US 4,383,382 ASelf-Powered Lighting, Ltd. · 1983