Y10S 84/07
Electric key switch structure
Y10S84/07 (Electric key switch structure) appears on 178 US grants and 3 published applications in this corpus.
Search patents in Y10S- Granted patents
- 178
- Published applications
- 3
- Assignees
- 48
- Inventors
- 213
- Latest grant
- 10 Mar 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 13 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electric wind instrument and key detection structure thereof10 Mar 2009US 7,501,570 B2Yamaha Corporation
- Upright keyboard instrument15 Nov 2005US 6,965,070 B2Yamaha Corporation
- Method and apparatus for sensing, controlling and recording key motion in a keyboard musical instrument29 Oct 2002US 6,472,589 B1Overture Music Systems, Inc.
- Method and apparatus for sensing key movement in a musical keyboard7 May 2002US 6,384,305 B1Overture Music Systems, Inc.
- Keyboard musical instrument equipped with key actuators accurately controlling key motion30 Apr 2002US 6,380,469 B2Yamaha Corporation
- Key detection structure for wind instrument21 Dec 2006US 2006/0283312 A1Yamaha Corporation
- Upright keyboard instrument25 Sep 2003US 2003/0177885 A1Yamaha Corporation
- Keyboard musical instrument equipped with key actuators accurately controlling key motion27 Dec 2001US 2001/0054346 A1Yamaha Corporation
Most cited
By later US patents
- Electronic pressure sensitive force transducer140US 4,489,302 A1984
- Bounceless switch apparatus131US 4,315,238 A1982
- Musical tone control apparatus using a detector130US 5,290,964 AYamaha Corporation · 1994
- Electronic pressure sensitive transducer apparatus125US 4,314,227 A1982
- Modular retroactive keyboard and a flat modular actuator123US 5,107,262 AMinistere de la Culture, de la Communication, des Grands Travaux et du Bicentenaire · 1992