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G03G 5/147

Cover layers

G03G5/147 (Cover layers) appears on 1,384 US grants and 1,243 published applications in this corpus.

Search patents in G03G

Granted patents: 1,384
Published applications: 1,243
Assignees: 117
Inventors: 1,809
Latest grant: 25 Aug 2026

Filings by year

G03G 5/147: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	9	0
1977	6	0
1978	0	0
1979	2	0
1980	4	0
1981	10	0
1982	5	0
1983	8	0
1984	6	0
1985	2	0
1986	6	0
1987	7	0
1988	8	0
1989	11	0
1990	20	0
1991	17	0
1992	22	0
1993	27	0
1994	21	0
1995	21	0
1996	19	0
1997	32	0
1998	36	0
1999	40	0
2000	27	0
2001	35	13
2002	28	34
2003	32	43
2004	25	47
2005	25	44
2006	31	59
2007	33	82
2008	44	91
2009	47	69
2010	67	66
2011	71	74
2012	63	48
2013	63	61
2014	72	64
2015	54	50
2016	54	29
2017	38	50
2018	33	39
2019	50	52
2020	41	41
2021	31	36
2022	24	19
2023	14	49
2024	14	34
2025	18	26
2026	11	23

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

Subgroups

Granted patents

Recent patents

Image forming apparatus having a photoreceptor with inorganic surface layer and a cleaning blade25 Aug 2026US 12,717,265 B2FUJIFILM Business Innovation Corp.
Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge, and image forming device4 Aug 2026US 12,699,334 B2Mitsubishi Chemical Corporation
Electrophotographic photoreceptor, process cartridge, and image forming apparatus7 Jul 2026US 12,675,055 B2FUJIFILM Business Innovation Corp.
Image forming apparatus16 Jun 2026US 12,656,720 B2FUJIFILM Business Innovation Corp.
Electrophotographic photoreceptor, process cartridge, and image forming apparatus9 Jun 2026US 12,650,656 B2FUJIFILM Business Innovation Corp.

Most cited

By later US patents