G11B 7/0901
For track following only
Official title: {for track following only (G11B7/0925, G11B7/094, G11B7/0941, G11B7/0943, G11B7/0945, G11B7/0946, G11B7/0948 take precedence)}
G11B7/0901 (For track following only) appears on 2,090 US grants and 1,211 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,090
- Published applications
- 1,211
- Assignees
- 286
- Inventors
- 2,470
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 18 | 0 |
| 1985 | 27 | 0 |
| 1986 | 25 | 0 |
| 1987 | 23 | 0 |
| 1988 | 34 | 0 |
| 1989 | 40 | 0 |
| 1990 | 29 | 0 |
| 1991 | 33 | 0 |
| 1992 | 48 | 0 |
| 1993 | 53 | 0 |
| 1994 | 29 | 0 |
| 1995 | 44 | 0 |
| 1996 | 79 | 0 |
| 1997 | 88 | 0 |
| 1998 | 111 | 0 |
| 1999 | 94 | 0 |
| 2000 | 88 | 0 |
| 2001 | 103 | 59 |
| 2002 | 96 | 150 |
| 2003 | 102 | 103 |
| 2004 | 95 | 99 |
| 2005 | 76 | 134 |
| 2006 | 124 | 91 |
| 2007 | 86 | 113 |
| 2008 | 61 | 139 |
| 2009 | 79 | 97 |
| 2010 | 82 | 65 |
| 2011 | 94 | 52 |
| 2012 | 63 | 42 |
| 2013 | 44 | 27 |
| 2014 | 33 | 15 |
| 2015 | 14 | 6 |
| 2016 | 7 | 7 |
| 2017 | 4 | 5 |
| 2018 | 3 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous search light system, winch system comprising an autonomous search light system, and aircraft comprising an autonomous search light system14 May 2024US 11,981,251 B2Goodrich Lighting Systems GmbH
- Diffractive optical element, projection device and measuring device7 Mar 2023US 11,598,972 B2AGC Inc.
- Radial servo device for super-resolution optical disc and servo control method therefor18 Jan 2022US 11,227,632 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Optical disc device8 Jan 2019US 10,176,838 B2Sony Corporation
- Storage system using unformatted digital optical tape24 Jul 2018US 10,033,961 B2Group 47, Inc.
- Multi-beam writing apparatus and multi-beam writing method17 Sep 2026US 2026/0279395 A1NuFlare Technology, Inc.
- Device and method for generating coherent terahertz radiation25 Jun 2026US 2026/0180286 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Autonomous search light system, winch system comprising an autonomous search light system, and aircraft comprising an autonomous search light system1 Dec 2022US 2022/0379802 A1Goodrich Lighting Systems GmbH
- Radial servo device for super-resolution optical disc and servo control method therefor20 May 2021US 2021/0151079 A1Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Diffractive optical element, projection device and measuring device9 Apr 2020US 2020/0110277 A1AGC Inc.
Most cited
By later US patents
- Data storage system having an optical processing flying head147US 6,781,927 B1Seagate Technology LLC · 2004
- Offset optics for use with optical heads146US 6,178,150 B1Seagate Technology LLC · 2001
- Compound objective lens having two focal points144US 5,446,565 AMatsushita Electric Industrial Co., Ltd. · 1995
- Optical pickup with conversion of diffusion angle of outgoing light relative to diffusion angle of incident light120US 5,790,502 AMatsushita Electric Industrial Co., Ltd. · 1998
- Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information115US 5,452,284 AMatsushita Electric Industrial Co., Ltd. · 1995