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G02B 15/1461

The first group being positive

Official title: {the first group being positive}

G02B15/1461 (The first group being positive) appears on 419 US grants and 546 published applications in this corpus.

Search patents in G02B

Granted patents: 419
Published applications: 546
Assignees: 60
Inventors: 357
Latest grant: 22 Sep 2026

Filings by year

G02B 15/1461: granted patents and published applications per publication year
Year	Granted patents	Published applications
1981	1	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	1	0
1990	0	0
1991	0	0
1992	1	0
1993	1	0
1994	0	0
1995	0	0
1996	0	0
1997	1	0
1998	1	0
1999	2	0
2000	6	0
2001	2	2
2002	3	4
2003	3	1
2004	2	0
2005	1	3
2006	2	5
2007	6	3
2008	4	7
2009	7	8
2010	4	10
2011	6	15
2012	5	12
2013	19	26
2014	16	31
2015	28	20
2016	25	22
2017	18	24
2018	15	19
2019	23	22
2020	22	43
2021	22	43
2022	31	50
2023	31	31
2024	36	46
2025	46	53
2026	28	46

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

Recent patents

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Most cited

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