H02K 41/0354
Lorentz force motors
Official title: {Lorentz force motors, e.g. voice coil motors}
H02K41/0354 (Lorentz force motors) appears on 1,792 US grants and 1,785 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,792
- Published applications
- 1,785
- Assignees
- 518
- Inventors
- 2,428
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 11 | 0 |
| 1986 | 14 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 16 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 21 | 0 |
| 1993 | 12 | 0 |
| 1994 | 19 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 34 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 18 | 11 |
| 2002 | 10 | 16 |
| 2003 | 16 | 15 |
| 2004 | 20 | 23 |
| 2005 | 16 | 23 |
| 2006 | 20 | 22 |
| 2007 | 8 | 17 |
| 2008 | 12 | 32 |
| 2009 | 17 | 34 |
| 2010 | 43 | 54 |
| 2011 | 43 | 54 |
| 2012 | 42 | 53 |
| 2013 | 46 | 62 |
| 2014 | 40 | 45 |
| 2015 | 34 | 68 |
| 2016 | 55 | 76 |
| 2017 | 65 | 90 |
| 2018 | 82 | 107 |
| 2019 | 86 | 150 |
| 2020 | 112 | 172 |
| 2021 | 129 | 151 |
| 2022 | 149 | 128 |
| 2023 | 140 | 140 |
| 2024 | 134 | 116 |
| 2025 | 111 | 78 |
| 2026 | 67 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Voice coil motor, zoom lens and photography device29 Sep 2026US 12,749,961 B2Zhongshan Union Optech Research Institute Co., Ltd.
- Preload force optimization for stable ball bearing contact22 Sep 2026US 12,744,434 B1Apple Inc.
- Image stabilizing coil member and camera module comprising same22 Sep 2026US 12,745,005 B2LG Innotek Co., Ltd.
- Ball bearing sensor shift arrangement for camera with fixed magnets22 Sep 2026US 12,745,006 B2Apple Inc.
- Camera module and electronic device having same15 Sep 2026US 12,736,771 B2Samsung Electronics Co., Ltd.
- Lens driving device, camera module, and optical instrument1 Oct 2026US 2026/0299250 A1LG Innotek Co., Ltd.
- Camera actuator and camera module including same1 Oct 2026US 2026/0299373 A1LG Innotek Co., Ltd.
- Lens driving device, camera module, and optical device24 Sep 2026US 2026/0287975 A1LG Innotek Co., Ltd.
- Camera module24 Sep 2026US 2026/0291357 A1Samsung Electro-Mechanics Co., Ltd.
- LIDAR with a biaxial mirror assembly17 Sep 2026US 2026/0280399 A1Innoviz Technologies Ltd.
Most cited
By later US patents
- Lens positioning system95US 9,431,887 B2Align Technology, Inc. · 2016
- Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same92US 6,741,529 B1Discovision Associates · 2004
- Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal84US 5,729,511 ADiscovision Associates · 1998
- Servo control system for information storage device79US 5,875,158 ADiscovision Associates · 1999
- Moving coil actuator utilizing flux-focused interleaved magnetic circuit73US 5,345,206 ABEI Electronics, Inc. · 1994