G10C 3/125
Materials or treatment of materials for the manufacturing of keys
Official title: {Materials or treatment of materials for the manufacturing of keys}
G10C3/125 (Materials or treatment of materials for the manufacturing of keys) appears on 35 US grants and 31 published applications in this corpus.
Search patents in G10C- Granted patents
- 35
- Published applications
- 31
- Assignees
- 12
- Inventors
- 55
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 5 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 4 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 5 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fastening structure and keyboard device20 May 2025US 12,305,685 B2Yamaha Corporation
- Key for keyboard device26 Nov 2024US 12,154,531 B2Kabushiki Kaisha Kawai Gakki Seisakusho
- Fastening structure and keyboard device26 Sep 2023US 11,767,873 B2Yamaha Corporation
- Keyboard instrument12 Oct 2021US 11,145,278 B2Roland Corporation
- Keybed device7 Sep 2021US 11,114,078 B2Medeli Electronics (Shanghai) Co., Ltd.
- Improved key weights for piano12 Feb 2026US 2026/0045238 A1
- Keyboard instrument and method of producing key of keyboard instrument25 Sep 2025US 2025/0299651 A1Yamaha Corporation
- Key for keyboard apparatus5 Jun 2025US 2025/0182721 A1Yamaha Corporation
- Fastening Structure and Keyboard Device12 Oct 2023US 2023/0323911 A1Yamaha Corporation
- Key for keyboard device5 Oct 2023US 2023/0317034 A1Kabushiki Kaisha Kawai Gakki Seisakusho
Most cited
By later US patents
- Key for keyboard instrument having a perspiration-absorbing surface26US 5,559,297 AYamaha Corporation · 1996
- Antibacterial keyboard21US 6,211,450 B1Kabushiki Kaisha Kawai Gakki Seisakusho · 2001
- Method for inertial balancing of musical instrument keyboards14US 5,796,024 A1998
- Keyboard13US 4,840,104 AKawai Musical Instrument Manufacturing Co., Ltd. · 1989
- Key for musical instrument13US 6,531,651 B2Kabushiki Kaisha Kawai Gakki Seisakusho · 2003