G11B 7/2531
Comprising glass
Official title: comprising glass
G11B7/2531 (Comprising glass) appears on 626 US grants and 365 published applications in this corpus.
Search patents in G11B- Granted patents
- 626
- Published applications
- 365
- Assignees
- 183
- Inventors
- 1,225
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 20 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 21 | 0 |
| 1993 | 30 | 0 |
| 1994 | 24 | 0 |
| 1995 | 18 | 0 |
| 1996 | 17 | 0 |
| 1997 | 28 | 0 |
| 1998 | 22 | 0 |
| 1999 | 23 | 0 |
| 2000 | 17 | 0 |
| 2001 | 23 | 16 |
| 2002 | 17 | 29 |
| 2003 | 25 | 40 |
| 2004 | 30 | 51 |
| 2005 | 22 | 43 |
| 2006 | 25 | 48 |
| 2007 | 16 | 28 |
| 2008 | 21 | 35 |
| 2009 | 17 | 35 |
| 2010 | 22 | 15 |
| 2011 | 20 | 5 |
| 2012 | 7 | 2 |
| 2013 | 9 | 5 |
| 2014 | 5 | 1 |
| 2015 | 4 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generating multiple beams of a harmonic frequency4 Nov 2025US 12,463,397 B2Microsoft Technology Licensing, LLC
- Storage mediums and methods of making the same30 Sep 2025US 12,431,164 B2Corning Incorporated
- Glass22 Oct 2024US 12,122,713 B2AGC Inc.
- Alkali-free glass13 Feb 2024US 11,897,812 B2AGC Inc.
- Alkali-free glass16 Aug 2022US 11,414,339 B2AGC Inc.
- Alkali-free glass sheet12 Mar 2026US 2026/0070834 A1Nippon Electric Glass Co., Ltd.
- Glass9 Jan 2025US 2025/0011217 A1AGC Inc.
- Magnetic disk substrate and magnetic disk using the same24 Oct 2024US 2024/0355357 A1Furukawa Electric Co., Ltd.
- Storage mediums and methods of making the same17 Oct 2024US 2024/0347075 A1Corning Incorporated
- Alkali-free glass2 May 2024US 2024/0140855 A1AGC Inc.
Most cited
By later US patents
- Multi-layered recording disk and recording/reproducing system using the same155US 5,608,715 APioneer Electronic Corporation · 1997
- Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium114US 5,654,057 AHoya Corporation · 1997
- Recording member and process for recording97US 4,069,487 ACanon Kabushiki Kaisha · 1978
- Multiple data surface optical data storage system with transmissive data surfaces96US 5,255,262 AInternational Business Machines Corporation · 1993
- Optical elements containing nanoscaled particles and having an embossed surface and process for their preparation95US 5,716,679 AInstitut für Neue Materialien gemeinnützige GmbH · 1998