G11B 7/00455
Involving reflectivity, absorption or colour changes
Official title: {involving reflectivity, absorption or colour changes}
G11B7/00455 (Involving reflectivity, absorption or colour changes) appears on 392 US grants and 349 published applications in this corpus.
Search patents in G11B- Granted patents
- 392
- Published applications
- 349
- Assignees
- 138
- Inventors
- 686
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 10 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 14 | 0 |
| 2001 | 13 | 7 |
| 2002 | 15 | 34 |
| 2003 | 15 | 27 |
| 2004 | 14 | 25 |
| 2005 | 14 | 29 |
| 2006 | 26 | 32 |
| 2007 | 11 | 34 |
| 2008 | 23 | 29 |
| 2009 | 18 | 15 |
| 2010 | 14 | 15 |
| 2011 | 16 | 31 |
| 2012 | 32 | 12 |
| 2013 | 17 | 9 |
| 2014 | 28 | 41 |
| 2015 | 5 | 2 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recording medium, exterior member, and method of recording on recording medium8 Aug 2023US 11,718,118 B2Sony Corporation
- Objective lens, optical head device, optical information device, and optical disk system18 Oct 2022US 11,475,917 B2Panasonic Intellectual Property Management Co., Ltd.
- Objective lens, optical head device, optical information device, and optical disk system30 Aug 2022US 11,430,479 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical recording device, optical recording method, and information recording medium11 Sep 2018US 10,074,428 B2Hitachi, Ltd.
- Multi-stack optical storage medium9 Aug 2016US 9,412,407 B2Koninklijke Philips N. V.
- Multi-beam writing apparatus and multi-beam writing method17 Sep 2026US 2026/0279395 A1NuFlare Technology, Inc.
- Recording medium, method for recording information, and method for reading information13 Feb 2025US 2025/0054515 A1Panasonic Intellectual Property Management Co., Ltd.
- Compound, optical absorbing material, non-linear optical absorbing material, recording medium, information recording method, and information reading method31 Oct 2024US 2024/0363144 A1Panasonic Intellectual Property Management Co., Ltd.
- Improvements in optical data storage8 Aug 2024US 2024/0265941 A1University of South Australia
- Objective lens, optical head device, optical information device, and optical disk system30 Sep 2021US 2021/0304793 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Methods for electronic fluorescent perturbation for analysis and electronic perturbation catalysis for synthesis192US 6,048,690 ANanogen, Inc. · 2000
- Deoxyribonucleic acid(DNA) optical storage using non-radiative energy transfer between a donor group, an acceptor group and a quencher group164US 5,787,032 ANanogen, Inc. · 1998
- Optical random access memory147US 5,228,001 ASyracuse University · 1993
- Method for three dimensional optical data storage and retrieval107US 5,289,407 ACornell Research Foundation, Inc. · 1994
- Method and apparatus providing 2-D/3-D optical information storage and retrieval in transparent materials99US 5,761,111 APresident and Fellows of Harvard College · 1998