G11B 7/2467
Azo-dyes
Official title: azo-dyes
G11B7/2467 (Azo-dyes) appears on 354 US grants and 432 published applications in this corpus.
Search patents in G11B- Granted patents
- 354
- Published applications
- 432
- Assignees
- 112
- Inventors
- 745
- Latest grant
- 21 Mar 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 13 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 5 | 0 |
| 2001 | 15 | 3 |
| 2002 | 8 | 12 |
| 2003 | 9 | 36 |
| 2004 | 16 | 23 |
| 2005 | 13 | 44 |
| 2006 | 12 | 49 |
| 2007 | 10 | 48 |
| 2008 | 21 | 52 |
| 2009 | 20 | 44 |
| 2010 | 18 | 32 |
| 2011 | 23 | 15 |
| 2012 | 21 | 10 |
| 2013 | 16 | 16 |
| 2014 | 34 | 45 |
| 2015 | 12 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Collinear holographic storage medium21 Mar 2017US 9,599,958 B2National Chiao Tung University
- Process and apparatus for producing optical recording medium24 Nov 2015US 9,196,288 B2Mitsubishi Kagaku Media Co., Ltd.
- Minute structure and information recording medium20 Oct 2015US 9,165,590 B2Ricoh Company, Ltd.
- Dye for optical information recording medium and optical information recording medium15 Sep 2015US 9,135,941 B2Taiyo Yuden Co., Ltd.
- Information storage medium, reproducing method, and recording method19 May 2015US 9,036,457 B2Kabushiki Kaisha Toshiba
- Recording medium, method for recording information, and method for reading information13 Feb 2025US 2025/0054515 A1Panasonic Intellectual Property Management Co., Ltd.
- Nonlinear optical material, light absorbing material, recording medium, method for recording information, and method for reading out information13 Apr 2023US 2023/0113096 A1Panasonic Intellectual Property Management Co., Ltd.
- Nanostructure layer system and method for production of a nanostructured layer system1 Aug 2019US 2019/0233329 A1
- Information storage medium, reproducing method, and recording method25 Dec 2014US 2014/0376354 A1Kabushiki Kaisha Toshiba
- Information storage medium, reproducing method, and recording method3 Jul 2014US 2014/0185424 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Erasable optical data storage medium124US 4,719,615 AOptical Data, Inc. · 1988
- Optical information recording medium56US 4,465,767 ARicoh Company, Ltd. · 1984
- Ablative optical recording medium55US 4,023,185 ARCA Corporation · 1977
- Side-group polymers, and their use for optical components52US 5,641,846 ABayer Aktiengesellschaft · 1997
- Azo-metal complex dye and method for producing the same and its use for a high density optical disc recording medium46US 6,534,636 B2Industrial Technology Research Institute · 2003