CPC technology class · G10

G10H - Electrophonic Musical Instruments

Electrophonic musical instruments; instruments in which the tones are generated by electromechanical means or electronic generators, or in which the tones are synthesised from a data store. 3,197 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

3,197
US patents granted: G10
Parent CPC class: 20
Active assignees: +5%
5-yr velocity

The verdict

Electrophonic Musical Instruments ranks #306 of 670 CPC technology areas - 3,197 US patents granted since 2015, with filing up 5% over five years.

#306
of 670 CPC technology areas: 3,197
US patents granted, 2015–2025: Yamaha
leading assignee (373): +5%
filing velocity, last 5 yrs

Top assignee: Yamaha Corporation (373 patents)

CPC subclass G10H - ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE - covers 3,197 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class G10 (MUSICAL INSTRUMENTS; ACOUSTICS). See our CPC classification guide for how the system works.

The competitive landscape in G10H is shaped by 20 distinct companies actively filing in this space. Yamaha Corporation leads with 373 patents, followed by Casio Computer Co., Ltd. at 169 grants and Roland Corporation at 128.

Filing activity in G10H is up 5% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is G10H innovation accelerating?

US utility-patent grants per year in G10H, 2015–2025 - recent five years are up 5% versus 2015–2019.

Yamaha

373
Casio Computer

169
Roland

128
Spotify Ab

78
Smule

63
May Patents

33
Aurora Labs

33
inmusic Brands

29
Harman International…

27
Gracenote

26
Dolby International Ab

23
Touchtunes Music

22

What this shows Yamaha is the most active filer in G10H, holding 373 of the 3,197 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass G10H
Rank	Company	Patents in G10H
#1	Yamaha Corporation	373
#2	Casio Computer Co., Ltd.	169
#3	Roland Corporation	128
#4	Spotify AB	78
#5	Smule, Inc.	63
#6	May Patents Ltd.	33
#7	Aurora Labs Ltd.	33
#8	Inmusic Brands, Inc.	29
#9	Harman International Industries, Incorporated	27
#10	Gracenote, Inc.	26
#11	Dolby International AB	23
#12	Touchtunes Music Company, Llc	22
#13	Kabushiki Kaisha Kawai Gakki Seisakusho	22
#14	Sunland Information Technology Co., Ltd.	21
#15	Alphatheta Corporation	17
#16	The Nielsen Company (us), Llc	16
#17	Shutterstock, Inc.	16
#18	Obeebo Labs Ltd.	15
#19	Intelliterran, Inc.	14
#20	Adobe Inc.	12

About This Class

CPC subclass G10H belongs to class G10.

3,197 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading G10H assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 G10H assignees by class footprint. Bubble size = patents in G10H. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class G10H?

CPC subclass G10H covers ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE. It belongs to CPC class G10 (MUSICAL INSTRUMENTS; ACOUSTICS), with 3,197 US utility patents granted since 2015.

How many patents have been filed in G10H?

3,197 US utility patents were granted in CPC subclass G10H between 2015 and 2025, based on USPTO PatentsView data.

Which company holds the most patents in G10H?

Yamaha Corporation leads G10H with 373 patents, making it the most active assignee in this technology area.

How is patent data for G10H collected?

Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.

What is the difference between CPC class and subclass?

A CPC class (e.g., G10) is a broad technology category. Subclasses like G10H provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.