G11B 7/253
Of substrates
Official title: of substrates
G11B7/253 (Of substrates) appears on 2,012 US grants and 1,233 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,012
- Published applications
- 1,233
- Assignees
- 393
- Inventors
- 3,282
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 22 | 0 |
| 1984 | 18 | 0 |
| 1985 | 13 | 0 |
| 1986 | 30 | 0 |
| 1987 | 41 | 0 |
| 1988 | 52 | 0 |
| 1989 | 56 | 0 |
| 1990 | 64 | 0 |
| 1991 | 54 | 0 |
| 1992 | 69 | 0 |
| 1993 | 84 | 0 |
| 1994 | 68 | 0 |
| 1995 | 67 | 0 |
| 1996 | 52 | 0 |
| 1997 | 60 | 0 |
| 1998 | 65 | 0 |
| 1999 | 85 | 0 |
| 2000 | 73 | 0 |
| 2001 | 105 | 46 |
| 2002 | 95 | 123 |
| 2003 | 105 | 152 |
| 2004 | 104 | 149 |
| 2005 | 94 | 171 |
| 2006 | 84 | 149 |
| 2007 | 57 | 108 |
| 2008 | 71 | 70 |
| 2009 | 42 | 76 |
| 2010 | 55 | 44 |
| 2011 | 42 | 24 |
| 2012 | 34 | 17 |
| 2013 | 29 | 18 |
| 2014 | 42 | 49 |
| 2015 | 10 | 2 |
| 2016 | 5 | 4 |
| 2017 | 3 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 2 | 6 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 7 | 10 |
| 2025 | 4 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Phase-modulated optical data storage8 Sep 2026US 12,731,610 B2Microsoft Technology Licensing, LLC
- Data recording on ceramic material12 May 2026US 12,626,722 B2Ceramic Data Solutions GmbH
- Method for long-term storage of information and storage medium therefor7 Apr 2026US 12,594,629 B2Ceramic Data Solutions GmbH
- Nanostructuring from optical recording media9 Dec 2025US 12,494,227 B2The Board of Regents of the Nevada System of Higher Education On Behalf of the University of Nevada, Las Vegas
- Generating multiple beams of a harmonic frequency4 Nov 2025US 12,463,397 B2Microsoft Technology Licensing, LLC
- Nanostructuring from optical recording media28 May 2026US 2026/0148752 A1Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada
- Alkali-free glass sheet12 Mar 2026US 2026/0070834 A1Nippon Electric Glass Co., Ltd.
- Nanostructuring from Optical Recording Media25 Sep 2025US 2025/0299696 A1Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada
- Phase-modulated optical data storage13 Mar 2025US 2025/0087240 A1Microsoft Technology Licensing, LLC
- Recording medium, method for recording information, and method for reading information13 Feb 2025US 2025/0054515 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Grooved optical data storage device including a chalcogenide memory layer258US 4,719,594 AEnergy Conversion Devices, Inc. · 1988
- Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium220US 6,280,684 B1Ricoh Company, Ltd. · 2001
- Optical recording medium having a plurality of discrete phase change data recording points198US 5,591,501 AEnergy Conversion Devices, Inc. · 1997
- Optical recording media having increased erasability172US 6,011,757 A2000
- Multi-layered recording disk and recording/reproducing system using the same155US 5,608,715 APioneer Electronic Corporation · 1997