G02B 27/20
For imaging minute objects
Official title: for imaging minute objects, e.g. light-pointer
G02B27/20 (For imaging minute objects) appears on 267 US grants and 298 published applications in this corpus.
Search patents in G02B- Granted patents
- 267
- Published applications
- 298
- Assignees
- 214
- Inventors
- 615
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 7 | 7 |
| 2004 | 4 | 7 |
| 2005 | 3 | 10 |
| 2006 | 9 | 10 |
| 2007 | 6 | 7 |
| 2008 | 4 | 6 |
| 2009 | 2 | 8 |
| 2010 | 7 | 13 |
| 2011 | 4 | 11 |
| 2012 | 7 | 14 |
| 2013 | 5 | 6 |
| 2014 | 6 | 10 |
| 2015 | 6 | 13 |
| 2016 | 12 | 23 |
| 2017 | 18 | 23 |
| 2018 | 14 | 23 |
| 2019 | 23 | 33 |
| 2020 | 19 | 17 |
| 2021 | 19 | 18 |
| 2022 | 15 | 9 |
| 2023 | 7 | 7 |
| 2024 | 7 | 6 |
| 2025 | 10 | 10 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-light-source red dot sight22 Sep 2026US 12,742,956 B1Guangzhou Saiyili Technology Co., Ltd.
- Dot sight1 Sep 2026US 12,723,842 B2Zhuhai Mefo Optical Instruments Co., Ltd.
- Laser remote viewing and operating room interactive audiovisual system26 May 2026US 12,638,688 B2Caresyntax GmbH
- Optical lens assembly configured for near infrared light17 Mar 2026US 12,578,547 B2Genius Electrical Optical (Xiamen) Co., Ltd.
- Laser emitting dart apparatus and method of use23 Dec 2025US 12,502,599 B2
- Permanently self-luminous sighting element27 Aug 2026US 2026/0251907 A1Smolsys AG
- Miniature laser, micro gunsight, and laser sight device2 Jul 2026US 2026/0185800 A1Huanic Corporation
- Laser pen1 Jan 2026US 2026/0003203 A1Ningbo Sincere Holding Group Co., Ltd
- Imaging assistance apparatus, imaging system, imaging assistance method, and imaging assistance program27 Nov 2025US 2025/0365504 A1FUJIFILM Corporation
- Projection of laser light sign with reduced diffraction pattern9 Oct 2025US 2025/0314898 A1Datalogic IP Tech S.R.L.
Most cited
By later US patents
- Laser aiming light for firearms90US 6,363,648 B1William H. Grube · 2002
- Interface for interfacing an imaging engine to an optical code reader84US 7,073,715 B2Symbol Technologies, Inc. · 2006
- Interface for interfacing an imaging engine to an optical code reader72US 7,097,101 B2Symbol Technologies, Inc. · 2006
- Focussed light source pointer for three dimensional display70US 5,024,494 ATexas Instruments Incorporated · 1991
- Universal presentation device68US 7,161,578 B1Logitech Europe S. A. · 2007