patentgrepDocs Get an API key

G03G 5/0679

Disazo dyes

Official title: {Disazo dyes}

G03G5/0679 (Disazo dyes) appears on 333 US grants and 74 published applications in this corpus.

Search patents in G03G

Granted patents: 333
Published applications: 74
Assignees: 54
Inventors: 445
Latest grant: 18 Mar 2025

Filings by year

G03G 5/0679: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	3	0
1977	3	0
1978	1	0
1979	0	0
1980	1	0
1981	12	0
1982	15	0
1983	9	0
1984	10	0
1985	15	0
1986	13	0
1987	11	0
1988	5	0
1989	24	0
1990	24	0
1991	14	0
1992	15	0
1993	14	0
1994	14	0
1995	10	0
1996	21	0
1997	6	0
1998	8	0
1999	9	0
2000	9	0
2001	8	0
2002	2	6
2003	2	4
2004	3	5
2005	4	9
2006	3	8
2007	6	11
2008	7	4
2009	1	7
2010	5	5
2011	6	4
2012	7	1
2013	6	1
2014	2	1
2015	1	2
2016	0	2
2017	0	0
2018	1	0
2019	0	0
2020	0	2
2021	2	0
2022	0	2
2023	0	0
2024	0	0
2025	1	0

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Electrophotographic photoreceptor, production method therefor, electrophotographic photoreceptor cartridge, and image forming apparatus18 Mar 2025US 12,253,823 B2Mitsubishi Chemical Corporation
Electrophotographic photosensitive member, process cartridge, and image forming apparatus11 May 2021US 11,003,101 B2KYOCERA Document Solutions Inc.
Electrophotographic photosensitive member, process cartridge, and image forming apparatus4 May 2021US 10,996,575 B2KYOCERA Document Solutions Inc.
Image forming apparatus9 Jan 2018US 9,864,322 B2Ricoh Company, Ltd.
Positively chargeable monolayer electrophotographic photosensitive member and image forming apparatus17 Mar 2015US 8,980,507 B2KYOCERA Document Solutions Inc.

Most cited

By later US patents