B23K 26/04
Automatically aligning, aiming or focusing the laser beam
Official title: Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
B23K26/04 (Automatically aligning, aiming or focusing the laser beam) appears on 1,513 US grants and 1,790 published applications in this corpus.
Search patents in B23K- Granted patents
- 1,513
- Published applications
- 1,790
- Assignees
- 810
- Inventors
- 3,775
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 11 | 0 |
| 1986 | 14 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 15 | 0 |
| 1990 | 11 | 0 |
| 1991 | 20 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 22 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 21 | 0 |
| 1998 | 15 | 0 |
| 1999 | 17 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 16 |
| 2002 | 37 | 36 |
| 2003 | 45 | 39 |
| 2004 | 34 | 48 |
| 2005 | 21 | 75 |
| 2006 | 34 | 76 |
| 2007 | 30 | 56 |
| 2008 | 29 | 74 |
| 2009 | 33 | 53 |
| 2010 | 44 | 50 |
| 2011 | 41 | 56 |
| 2012 | 51 | 53 |
| 2013 | 51 | 46 |
| 2014 | 36 | 55 |
| 2015 | 42 | 48 |
| 2016 | 56 | 77 |
| 2017 | 46 | 84 |
| 2018 | 53 | 98 |
| 2019 | 74 | 123 |
| 2020 | 81 | 114 |
| 2021 | 81 | 104 |
| 2022 | 58 | 88 |
| 2023 | 62 | 111 |
| 2024 | 72 | 81 |
| 2025 | 58 | 66 |
| 2026 | 48 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser machining apparatus6 Oct 2026US 12,752,369 B2Mitsubishi Electric Corporation
- Laser processing machine and method of correcting spot diameter of laser processing machine6 Oct 2026US 12,752,378 B2Toyota Jidosha Kabushiki Kaisha
- Bonding head and bonding apparatus6 Oct 2026US 12,752,380 B2Pac Tech—Packaging Technologies GmbH
- Lens assembly and laser welding head15 Sep 2026US 12,734,607 B2Gangchun Laser Technology (Jiangsu) Co., Ltd.
- Laser welding apparatus and method of controlling the same8 Sep 2026US 12,728,480 B2SK On Co., Ltd.
- Systems and methods for laser processing and optical inspection1 Oct 2026US 2026/0295719 A1Orbotech Ltd.
- Apparatus for digital spot laser processing and application thereof24 Sep 2026US 2026/0284781 A1Zhejiang University of Technology
- Methods of reproducibly determining a beam size parameter of a laser beam utilizing a calibration standard and additive manufacturing systems that perform the methods24 Sep 2026US 2026/0291164 A1The Boeing Company
- Uv laser marker17 Sep 2026US 2026/0273653 A1Keyence Corporation
- System And Method For High Power Diode Based Additive Manufacturing17 Sep 2026US 2026/0273840 A1Lawrence Livermore National Security, LLC
Most cited
By later US patents
- Automated laser workstation for high precision surgical and industrial interventions381US 6,099,522 AVISX, Incorporated · 2000
- Method of, and apparatus for, surgery of the cornea329US 6,210,401 B12001
- Laser processing method and laser processing apparatus293US 6,992,026 B2Hamamatsu Photonics K.K. · 2006
- Laser system and method for single press micromachining of multilayer workpieces267US 6,407,363 B2Electro Scientific Industries, Inc. · 2002
- Method and apparatus for assembly of car bodies and other 3-dimensional objects259US 5,380,978 A1995