H01H 2219/0621
Optical fiber light conductor
H01H2219/0621 (Optical fiber light conductor) appears on 50 US grants and 51 published applications in this corpus.
Search patents in H01H- Granted patents
- 50
- Published applications
- 51
- Assignees
- 43
- Inventors
- 90
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 4 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 4 |
| 2016 | 4 | 4 |
| 2017 | 1 | 3 |
| 2018 | 3 | 3 |
| 2019 | 4 | 2 |
| 2020 | 5 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 5 | 6 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Backlight module and luminous keyboard using the same28 Apr 2026US 12,614,683 B2Lite-On Electronics (Guangzhou) Limited
- Rotary lockout tagout latch system4 Mar 2025US 12,243,704 B2Rockwell Automation Technologies, Inc.
- Keyboard25 Jun 2024US 12,019,481 B2Acer Incorporated
- Keyboard23 Apr 2024US 11,967,472 B2Lite-On Technology Corporation
- Keyboard and backlight module9 Apr 2024US 11,955,297 B2Chicony Electronics Co., Ltd.
- Keyboard11 Jul 2024US 2024/0234052 A1Lite-On Technology Corporation
- Backlight module and luminous keyboard using the same4 Jan 2024US 2024/0006134 A1Lite-On Electronics (Guangzhou) Limited
- Keyboard28 Sep 2023US 2023/0307195 A1Lite-On Technology Corporation
- Switch structure and manufacturing method therefor7 Sep 2023US 2023/0278489 A1Hyundai Motor Company
- Rotary lockout tagout latch system31 Aug 2023US 2023/0274895 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Keyboard having illuminated keys308US 6,217,183 B12001
- Keyboard having illuminated keys266US 6,467,924 B22002
- Keyboard having a lighting system89US 6,987,466 B1Apple Computer, Inc. · 2006
- Fiber optic backlighting panel74US 5,097,396 APoly-Optical Products, Inc. · 1992
- Illuminated keyboard switch structure73US 6,860,612 B2Darfon Electronics Corp. · 2005