G09B 15/001
Boards or like means for providing an indication of chords
Official title: {Boards or like means for providing an indication of chords}
G09B15/001 (Boards or like means for providing an indication of chords) appears on 275 US grants and 197 published applications in this corpus.
Search patents in G09B- Granted patents
- 275
- Published applications
- 197
- Assignees
- 86
- Inventors
- 466
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 1 |
| 2002 | 4 | 6 |
| 2003 | 3 | 3 |
| 2004 | 0 | 6 |
| 2005 | 2 | 7 |
| 2006 | 2 | 8 |
| 2007 | 7 | 8 |
| 2008 | 8 | 14 |
| 2009 | 7 | 8 |
| 2010 | 4 | 5 |
| 2011 | 4 | 6 |
| 2012 | 1 | 10 |
| 2013 | 3 | 10 |
| 2014 | 10 | 8 |
| 2015 | 16 | 18 |
| 2016 | 16 | 7 |
| 2017 | 8 | 6 |
| 2018 | 8 | 6 |
| 2019 | 8 | 12 |
| 2020 | 6 | 6 |
| 2021 | 10 | 10 |
| 2022 | 9 | 7 |
| 2023 | 7 | 7 |
| 2024 | 3 | 10 |
| 2025 | 4 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for generating lyrics and chords for user interfaces24 Mar 2026US 12,586,485 B2Moises Systems, Inc.
- Music chord map23 Sep 2025US 12,424,121 B2
- Music theory teaching method and system1 Jul 2025US 12,347,330 B2Ayou, LLC
- Device to facilitate musical instrument learning8 Apr 2025US 12,272,260 B2Visual Note S.R.L.
- Smart fretboard28 Jan 2025US 12,209,921 B2The Johns Hopkins University
- Music Theory Learning Device6 Aug 2026US 2026/0229141 A1
- Guitar playing system and methods of operating the same26 Mar 2026US 2026/0087939 A1
- Universal Guitar Chord Learning System and Method5 Mar 2026US 2026/0065801 A1
- Systems and methods for generating lyrics and chords for user interfaces27 Nov 2025US 2025/0363910 A1Moises Systems, Inc.
- Method for Generating and Displaying Proportional, Textless Musical Instrument Layouts for Educational Purposes13 Nov 2025US 2025/0349225 A1
Most cited
By later US patents
- Multimedia product for use in a computer for music instruction and use206US 5,690,496 ARed Ant, Inc. · 1997
- Method of and means for producing musical note relationships188US 5,741,990 ANotepool, Ltd. · 1998
- Musical performance training data transmitters and receivers, and storage mediums which contain a musical performance training program158US 6,025,550 ACasio Computer Co., Ltd. · 2000
- Multifunction musical information processing apparatus156US 5,153,829 ACanon Kabushiki Kaisha · 1992
- Keyboard instrument with the display device employing fingering guide153US 6,008,783 AKawai Musical Instruments Manufacturing Co., Ltd. · 1999