F41J 5/02
Photo-electric hit-detector systems
Official title: Photo-electric hit-detector systems {(comprising a light-emitting device for simulating the firing of a gun F41G3/2622; detecting by optical means G01V8/10)}
F41J5/02 (Photo-electric hit-detector systems) appears on 203 US grants and 188 published applications in this corpus.
Search patents in F41J- Granted patents
- 203
- Published applications
- 188
- Assignees
- 132
- Inventors
- 434
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 4 |
| 2003 | 2 | 12 |
| 2004 | 4 | 4 |
| 2005 | 4 | 4 |
| 2006 | 1 | 4 |
| 2007 | 3 | 11 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 4 | 3 |
| 2012 | 1 | 7 |
| 2013 | 7 | 9 |
| 2014 | 9 | 10 |
| 2015 | 11 | 6 |
| 2016 | 8 | 17 |
| 2017 | 8 | 12 |
| 2018 | 8 | 11 |
| 2019 | 11 | 13 |
| 2020 | 4 | 10 |
| 2021 | 10 | 12 |
| 2022 | 3 | 6 |
| 2023 | 5 | 6 |
| 2024 | 3 | 11 |
| 2025 | 3 | 4 |
| 2026 | 10 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Moving object monitoring system244US 5,988,645 A1999
- Computer image and audio processing of intensity and input devices for interfacing with a computer program224US 7,627,139 B2Sony Computer Entertainment Inc. · 2009
- Targeting system165US 5,577,733 A1996
- Simulated shooting game with continuous transmission of target identification signals160US 4,695,058 APhoton Marketing Limited · 1987
- Firearm laser training system and method employing an actuable target assembly151US 6,575,753 B2Beamhit, LLC · 2003