G10H 2220/031
Blinking or flashing indicator lights
G10H2220/031 (Blinking or flashing indicator lights) appears on 13 US grants and 12 published applications in this corpus.
Search patents in G10H- Granted patents
- 13
- Published applications
- 12
- Assignees
- 10
- Inventors
- 39
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Performance input device and performance input method2 Jul 2026US 2026/0190200 A1Yamaha Corporation
- Educational Piano26 Jun 2025US 2025/0210016 A1Springer Music Studio, LLC.
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Most cited
By later US patents
- Keyboard musical instrument with keyboard range indicator34US 5,907,115 AKawai Musical Instruments Manufacturing Co., Ltd. · 1999
- Electronic musical instrument having a function to indicate keys to be operated25US 5,656,789 AYamaha Corporation · 1997
- Key-to-be-depressed designating and comparing apparatus using a visual display19US 5,286,909 AYamaha Corporation · 1994
- Musical performance guiding device and method for musical instruments15US 6,011,210 AYamaha Corporation · 2000
- Performance guide apparatus and program14US 7,608,774 B2Yamaha Corporation · 2009