H01H 2219/058
Optical grid, collimator or microlouver
H01H2219/058 (Optical grid, collimator or microlouver) appears on 34 US grants and 38 published applications in this corpus.
Search patents in H01H- Granted patents
- 34
- Published applications
- 38
- Assignees
- 24
- Inventors
- 80
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 3 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 4 | 4 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Button27 Jan 2026US 12,537,148 B2Darwin Precisions Corporation
- Backlight keyswitch and backlight module thereof28 Jan 2025US 12,210,179 B2Darfon Electronics Corp.
- Backlight module and keyboard thereof10 Sep 2024US 12,087,522 B2Darfon Electronics Corp.
- Backlight keyboard23 Jul 2024US 12,046,428 B2Darfon Electronics Corp.
- Backlight module and lighting keyboard5 Mar 2024US 11,923,156 B2Darfon Electronics Corp.
- Button17 Oct 2024US 2024/0347289 A1Darwin Precisions Corporation
- Backlight keyswitch and backlight module thereof11 Apr 2024US 2024/0118476 A1Darfon Electronics Corp.
- Backlight module and keyboard thereof1 Feb 2024US 2024/0036245 A1Darfon Electronics Corp.
- Backlight keyboard22 Jun 2023US 2023/0197374 A1Darfon Electronics Corp.
- Backlight moudule nad lightingkeyboard2 Mar 2023US 2023/0067471 A1Darfon Electronics Corp.
Most cited
By later US patents
- Backlighting method for an automotive trim panel78US 6,652,128 B2Textron Automotive Company Inc. · 2003
- Unitary key panel56US 4,644,326 ASecure Keyboards Limited · 1987
- Backlighting method for an automotive trim panel51US 7,201,508 B2Collins & Aikman Products Co. · 2007
- Security means39US 4,502,048 A1985
- Back-lit button assembly36US 5,477,024 AIllinois Tool Works Inc. · 1995