G10H 2250/521
Closed loop models therefor
Official title: Closed loop models therefor, e.g. with filter and delay line
G10H2250/521 (Closed loop models therefor) appears on 89 US grants and 10 published applications in this corpus.
Search patents in G10H- Granted patents
- 89
- Published applications
- 10
- Assignees
- 15
- Inventors
- 64
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
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| 1988 | 0 | 0 |
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| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 22 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Audio signal processing device, audio signal processing method, and program5 Aug 2025US 12,379,892 B2Alphatheta Corporation
- Electronic musical instrument, electronic keyboard musical instrument, and method of generating musical sound6 Feb 2024US 11,893,968 B2Casio Computer Co., Ltd.
- Electronic keyboard musical instrument and method of generating musical sound23 Jan 2024US 11,881,196 B2Casio Computer Co., Ltd.
- Electronic musical instrument, method of generating musical sound, and storage medium24 Jan 2023US 11,562,723 B2Casio Computer Co., Ltd.
- Resonance signal generating method, resonance signal generating device, electronic musical apparatus and non-transitory computer readable medium27 Oct 2020US 10,818,278 B2Yamaha Corporation
- Audio signal processing device, audio signal processing method, and program19 Oct 2023US 2023/0333806 A1Alphatheta Corporation
- Electronic keyboard musical instrument and method of generating musical sound23 Sep 2021US 2021/0295806 A1Casio Computer Co., Ltd.
- Electronic musical instrument, electronic keyboard musical instrument, and method of generating musical sound23 Sep 2021US 2021/0295807 A1Casio Computer Co., Ltd.
- Electronic musical instrument, method of generating musical sound, and storage medium25 Mar 2021US 2021/0090539 A1Casio Computer Co., Ltd.
- Resonance Signal Generating Method, Resonance Signal Generating Device, Electronic Musical Apparatus and Non-Transitory Computer Readable Medium7 Nov 2019US 2019/0341012 A1Yamaha Corporation
Most cited
By later US patents
- Electrical musical instrument using a joystick-type control apparatus37US 5,403,970 AYamaha Corporation · 1995
- Musical tone synthesizing apparatus30US 5,519,167 AYamaha Corporation · 1996
- Digital sound synthesizing device using a closed wave guide network with interpolation30US 5,641,931 AYamaha Corporation · 1997
- Musical tone synthesis system having shortened excitation table28US 5,587,548 AThe Board of Trustees of the Leland Stanford Junior University · 1996
- Wind instruments with electronic tubing length control28US 5,668,340 AKabushiki Kaisha Kawai Gakki Seisakusho · 1997