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G03G 5/0622

Heterocyclic compounds

Official title: {Heterocyclic compounds}

G03G5/0622 (Heterocyclic compounds) appears on 879 US grants and 427 published applications in this corpus.

Search patents in G03G

Granted patents: 879
Published applications: 427
Assignees: 116
Inventors: 1,114
Latest grant: 15 Sep 2026

Filings by year

G03G 5/0622: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	23	0
1977	8	0
1978	13	0
1979	14	0
1980	3	0
1981	4	0
1982	18	0
1983	23	0
1984	30	0
1985	17	0
1986	14	0
1987	11	0
1988	18	0
1989	24	0
1990	33	0
1991	34	0
1992	37	0
1993	20	0
1994	32	0
1995	23	0
1996	28	0
1997	20	0
1998	31	0
1999	22	0
2000	15	0
2001	19	2
2002	16	8
2003	8	17
2004	11	25
2005	10	48
2006	23	48
2007	26	22
2008	36	33
2009	18	33
2010	23	4
2011	24	18
2012	18	14
2013	15	11
2014	12	18
2015	13	18
2016	15	7
2017	7	10
2018	9	16
2019	17	18
2020	18	12
2021	13	8
2022	1	6
2023	3	6
2024	0	10
2025	3	11
2026	6	4

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

Subgroups

Granted patents

Recent patents

Image forming apparatus15 Sep 2026US 12,736,891 B2KYOCERA Document Solutions Inc.
Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Jun 2026US 12,650,655 B2FUJIFILM Business Innovation Corp.
Electrophotographic photoreceptor, process cartridge, and image forming apparatus2 Jun 2026US 12,645,161 B2FUJIFILM Business Innovation Corp.
Conductive substrate for electrophotographic photoreceptor, electrophotographic photoreceptor, process cartridge, image forming apparatus, and method for manufacturing conductive substrate for electrophotographic photoreceptor24 Feb 2026US 12,560,885 B2FUJIFILM Business Innovation Corp.
Electrophotographic photoreceptor, process cartridge, and image forming apparatus17 Feb 2026US 12,554,207 B2FUJIFILM Business Innovation Corp.

Most cited

By later US patents