F21S 41/148
The main emission direction of the led being perpendicular to the optical
Official title: the main emission direction of the LED being perpendicular to the optical axis
F21S41/148 (The main emission direction of the led being perpendicular to the optical) appears on 1,045 US grants and 1,170 published applications in this corpus.
Search patents in F21S- Granted patents
- 1,045
- Published applications
- 1,170
- Assignees
- 219
- Inventors
- 1,473
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 6 |
| 2004 | 1 | 24 |
| 2005 | 9 | 31 |
| 2006 | 19 | 21 |
| 2007 | 25 | 45 |
| 2008 | 18 | 32 |
| 2009 | 27 | 37 |
| 2010 | 36 | 55 |
| 2011 | 27 | 40 |
| 2012 | 38 | 40 |
| 2013 | 43 | 50 |
| 2014 | 46 | 59 |
| 2015 | 56 | 83 |
| 2016 | 58 | 72 |
| 2017 | 68 | 74 |
| 2018 | 76 | 79 |
| 2019 | 102 | 59 |
| 2020 | 79 | 42 |
| 2021 | 48 | 53 |
| 2022 | 63 | 73 |
| 2023 | 67 | 57 |
| 2024 | 58 | 59 |
| 2025 | 46 | 43 |
| 2026 | 33 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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