G11B 5/8404
Manufacturing base layers
Official title: {manufacturing base layers}
G11B5/8404 (Manufacturing base layers) appears on 1,057 US grants and 886 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,057
- Published applications
- 886
- Assignees
- 266
- Inventors
- 1,965
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 18 | 0 |
| 1995 | 26 | 0 |
| 1996 | 37 | 0 |
| 1997 | 47 | 0 |
| 1998 | 52 | 0 |
| 1999 | 70 | 0 |
| 2000 | 74 | 0 |
| 2001 | 57 | 31 |
| 2002 | 42 | 56 |
| 2003 | 40 | 62 |
| 2004 | 55 | 54 |
| 2005 | 30 | 74 |
| 2006 | 31 | 63 |
| 2007 | 28 | 56 |
| 2008 | 22 | 52 |
| 2009 | 20 | 55 |
| 2010 | 29 | 47 |
| 2011 | 30 | 60 |
| 2012 | 34 | 40 |
| 2013 | 41 | 42 |
| 2014 | 39 | 30 |
| 2015 | 50 | 23 |
| 2016 | 22 | 19 |
| 2017 | 19 | 21 |
| 2018 | 16 | 16 |
| 2019 | 18 | 21 |
| 2020 | 16 | 7 |
| 2021 | 11 | 14 |
| 2022 | 13 | 7 |
| 2023 | 8 | 9 |
| 2024 | 4 | 12 |
| 2025 | 8 | 7 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Annular glass plate, method for manufacturing glass substrate for magnetic disk, glass substrate for magnetic disk, and magnetic disk23 Jun 2026US 12,662,418 B2Hoya Corporation
- Method for manufacturing glass plate and method for manufacturing magnetic disk19 May 2026US 12,630,458 B2Hoya Corporation
- Method for manufacturing glass plate including processing for chamfering edge surface7 Apr 2026US 12,595,202 B2Hoya Corporation
- Magnetic disk and substrate for magnetic disk10 Mar 2026US 12,573,424 B2Furkawa Electric Co., Ltd.
- Magnetic recording disk with high internal stress to reduce disk deflections from shock forces and methods for use with the disk17 Feb 2026US 12,555,601 B2Western Digital Technologies, Inc.
- Disk-shaped glass plate and magnetic disk20 Aug 2026US 2026/0242271 A1Hoya Corporation
- Magnetic recording media/disks and methods and apparatus for identifying magnetic recording media/disks suitable for data storage devices6 Aug 2026US 2026/0229253 A1Western Digital Technologies, Inc.
- Glass substrates for heat assisted magnetic recording (hamr) and methods and apparatus for use with the glass substrates6 Aug 2026US 2026/0229254 A1Western Digital Technologies, Inc.
- Substrate for magnetic disk30 Jul 2026US 2026/0221155 A1Furukawa Electric Co., Ltd.
- Method for manufacturing glass plate including processing for chamfering edge surface16 Jul 2026US 2026/0200785 A1Hoya Corporation
Most cited
By later US patents
- Apparatus and method for polishing a flat surface using a belted polishing pad264US 6,059,643 AAplex, Inc. · 2000
- Electrochemical synthesis of quasi-periodic quantum dot and nanostructure arrays193US 5,747,180 AUniversity of Notre Dame du Lac · 1998
- Selectively textured magnetic recording media160US 5,062,021 AMagnetic Peripherals Inc. · 1991
- Magnetic tape and method of manufacturing the same123US 9,711,174 B2FUJIFILM Corporation · 2017
- Magnetic tape and method of manufacturing the same123US 9,721,605 B2FUJIFILM Corporation · 2017