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H01H 2219/037

Using organic materials

Official title: using organic materials, e.g. organic LED

H01H2219/037 (Using organic materials) appears on 85 US grants and 98 published applications in this corpus.

Search patents in H01H

Granted patents: 85
Published applications: 98
Assignees: 46
Inventors: 173
Latest grant: 14 Jul 2026

Filings by year

H01H 2219/037: granted patents and published applications per publication year
Year	Granted patents	Published applications
1999	2	0
2000	2	0
2001	3	9
2002	4	1
2003	2	2
2004	6	3
2005	2	8
2006	2	3
2007	7	3
2008	1	4
2009	2	4
2010	1	6
2011	1	2
2012	2	5
2013	5	5
2014	2	3
2015	2	4
2016	3	5
2017	5	5
2018	5	3
2019	4	5
2020	9	5
2021	1	2
2022	4	0
2023	3	5
2024	1	3
2025	2	2
2026	2	1

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Key module and keyboard14 Jul 2026US 12,683,098 B2Wistron Corporation
Light-emitting keyboard and backlight module7 Apr 2026US 12,597,570 B2Lite-On Electronics (Guangzhou) Limited
Light-emitting keyboard and backlight module1 Jul 2025US 12,347,631 B2Lite-On Electronics (Guangzhou) Limited
Specialized keyboard keycaps27 May 2025US 12,315,685 B2Hewlett-Packard Development Company, L. P.
Light-emitting keyboard and backlight module5 Nov 2024US 12,136,527 B2Lite-On Electronics (Guangzhou) Limited

Most cited

By later US patents