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G03B 27/525

For slit exposure

Official title: {for slit exposure}

G03B27/525 (For slit exposure) appears on 378 US grants and 19 published applications in this corpus.

Search patents in G03B

Granted patents: 378
Published applications: 19
Assignees: 75
Inventors: 549
Latest grant: 2 Sep 2025

Filings by year

G03B 27/525: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	18	0
1977	13	0
1978	19	0
1979	14	0
1980	17	0
1981	21	0
1982	32	0
1983	41	0
1984	33	0
1985	19	0
1986	22	0
1987	19	0
1988	12	0
1989	8	0
1990	14	0
1991	13	0
1992	12	0
1993	14	0
1994	7	0
1995	1	0
1996	2	0
1997	2	0
1998	1	0
1999	3	0
2000	1	0
2001	0	0
2002	0	0
2003	1	0
2004	0	0
2005	0	2
2006	1	1
2007	1	0
2008	0	0
2009	0	0
2010	2	2
2011	0	1
2012	2	1
2013	2	0
2014	1	0
2015	0	2
2016	2	2
2017	2	0
2018	0	1
2019	1	1
2020	1	1
2021	1	1
2022	0	0
2023	1	1
2024	0	1
2025	2	2

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Optical device2 Sep 2025US 12,405,548 B2Toshiba Tec Kabushiki Kaisha
Image forming apparatus18 Feb 2025US 12,228,865 B2Canon Kabushiki Kaisha
Image forming apparatus3 Jan 2023US 11,543,759 B2Canon Kabushiki Kaisha
Lens unit, exposure device, reading head, image forming apparatus, and image reading apparatus14 Dec 2021US 11,199,650 B2Oki Electric Industry Co., Ltd.
Image forming apparatus3 Nov 2020US 10,824,088 B2Canon Kabushiki Kaisha

Most cited

By later US patents