G10C3/18 - CPC Classification Index

#1

20260112336

2026-04-23

KEYBOARD DEVICE FOR KEYBOARD INSTRUMENT

#2

20250308486

2025-10-02

KEYBOARD DEVICE FOR KEYBOARD INSTRUMENT

#3

20250308485

2025-10-02

KEYBOARD DEVICE FOR KEYBOARD INSTRUMENT

#4

20250285603

2025-09-11

PIANO WITH DROP ACTION

#5

20250104671

2025-03-27

REPETITION SPRING ASSEMBLY FOR AN UPRIGHT PIANO

#6

20240331662

2024-10-03

PIANO INCLUDING DROP ACTION

#7

20240321239

2024-09-26

KEYBOARD EQUIPMENT

#8

20240212657

2024-06-27

KEYBOARD DEVICE AND INTERLOCKING METHOD OF HAMMER

#9

20240153477

2024-05-09

KEYBOARD INSTRUMENT

#10

20240112651

2024-04-04

HAMMER DEVICE FOR KEYBOARD INSTRUMENT

#11

20240092120

2024-03-21

Device utilizing the playing of a functioning instrument to cause a paint brush or similar object to paint or draw onto an art medium such as a canvas, creating a visual representation of the music in art form

#12

20240078984

2024-03-07

DETECTION SYSTEM FOR MUSICAL INSTRUMENT AND MUSICAL INSTRUMENT

#13

20240054976

2024-02-15

HYBRID ACOUSTIC PIANO

#14

20230087303

2023-03-23

ROTATION MECHANISM

#15

20220293068

2022-09-15

Keyboard device for keyboard instrument

#16

20220084484

2022-03-17

Keyboard device for keyboard instrument

#17

20210304710

2021-09-30

Stopper rail for silent piano

#18

20210241725

2021-08-05

Rotation mechanism and keyboard apparatus

#19

20200410965

2020-12-31

Keyboard apparatus

#20

20200265818

2020-08-20

Keyboard device for electronic keyboard instrument

#21

20200043452

2020-02-06

Actuator, pressing device and keyboard instrument

#22

20200043446

2020-02-06

Keyboard instrument

#23

20190392788

2019-12-26

Hammer assembly and keyboard instrument

#24

20190362692

2019-11-28

Hammer assembly, keyboard instrument, and hammer

#25

20190206378

2019-07-04

Keyboard device

#26

20190019484

2019-01-17

Keyboard device

#27

20180322853

2018-11-08

Hammer velocity measurement system

#28

20180268787

2018-09-20

Keyboard device and keyboard instrument

#29

20180233116

2018-08-16

Keyboard apparatus

#30

20180197514

2018-07-12

Keyboard device and keyboard instrument

#31

20180033407

2018-02-01

Sound producing apparatus, keyboard instrument, and sound production control method

#32

20170301321

2017-10-19

Support device for pivotal member of keyboard instrument and method of manufacturing the same

#33

20160284326

2016-09-29

Support assembly and keyboard apparatus

#34

20160284324

2016-09-29

Support assembly and keyboard apparatus

#35

20160098975

2016-04-07

Hammer velocity measurement system

#36

20160071498

2016-03-10

Keyboard device and keyboard instrument

#37

20150269916

2015-09-24

Keyboard apparatus and keyboard instrument

#38

20150269915

2015-09-24

KEYBOARD APPARATUS AND KEYBOARD INSTRUMENT

#39

20150269914

2015-09-24

Keyboard device and keyboard instrument

#40

20150114202

2015-04-30

Hammer device for keyboard instrument

#41

20150068384

2015-03-12

Hammer device and keyboard device for electronic keyboard instrument

#42

20140083274

2014-03-27

Bearing member

#43

20130186252

2013-07-25

HAMMER BUTT FOR UPRIGHT PIANO ACTION WITH HALF-CONICAL HAMMER SHANK HOLE

#44

20130186250

2013-07-25

Piano action flange with open-slotted rail attachment feature

#45

20130152769

2013-06-20

Hammer device and keyboard device for electronic keyboard instrument

#46

20130112060

2013-05-09

Upright piano

#47

20120180614

2012-07-19

Action of upright piano

#48

20110283860

2011-11-24

Piano hammer

#49

20110232457

2011-09-29

Upright piano type action

#50

20110232456

2011-09-29

Upright piano type action

#51

20110232454

2011-09-29

Keyboard apparatus

#52

20110094364

2011-04-28

Apparatus for assembling and regulating a grand piano action

#53

20100294108

2010-11-25

STRING-STRIKING DEVICE FOR PIANO

#54

20100251872

2010-10-07

Piano muffler system and method of installation

#55

20090235804

2009-09-24

Hammer assembly for grand piano

#56

20090223343

2009-09-10

Piano hammer

#57

20090178534

2009-07-16

Hammer shank and shank butt for piano

#58

20090120265

2009-05-14

Hammer shank of piano and method of manufacturing the same

#59

20090114074

2009-05-07

Repetition action mechanism for an upright piano

#60

20090013856

2009-01-15

Electronic assistant system for lesson in music and musical instrument equipped with the same

#61

20070068359

2007-03-29

Friction in a grand piano completely eliminated by a third lever

#62

20070012156

2007-01-18

Repetition lever of grand piano

#63

20050235803

2005-10-27

Piano hammer

#64

20050204890

2005-09-22

Friction free grand piano action

#65

20050045016

2005-03-03

Shank flange for piano

#66

20050005758

2005-01-13

Back check for piano

#67

17878224

2023-09-12

Elliptical silicone roller for grand piano action with customized durometer reading