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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

3,197
US patents granted: #3/8
in G10: 6.7%
G10 class share: -8%
5-yr velocity

The verdict

According to USPTO PatentsView, Electrophonic Musical Instruments ranks #306 of 670 CPC technology areas - 3,197 US patents granted since 2015, with recorded grant volume down 8% over five years.

#306
of 670 CPC technology areas: 3,197
US patents granted, 2015–2025: Yamaha
leading assignee (373): -8%
grant velocity, last 5 yrs

How G10H's grant cadence moved

Between 2020–2024, G10H recorded 1,407 grants versus 1,526 in 2015–2019 (-8% equal-window velocity). Across complete years, output peaked in 2019 at 354 grants and bottomed in 2018 at 243 (+46% peak-over-trough). Lead assignee Yamaha Corporation holds 11.7% of the class ; the top three share 21.0%.

Leaderboard read

G10H concentration, lead at 11.7%

Yamaha Corporation leads this historical grant record at 11.7% of G10H - foreign corporation assignees hold 70% of class grants (1,261 of 1,814). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 11.7%
Top three share: 21.0%
Lead over #2: 204

Where G10H sits inside G10

Among 8 subclasses in G10 (Musical INSTRUMENTS; Acoustics), G10H ranks #3 and holds 6.7% of the parent class's 47,643 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

G10L 35,471 G10K 7,488 G10D 828 G10G 395 G10C 183 G10F 54 G10B 27

Rising assignees active in G10H

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

#1 Lemon Inc. 199x 1 → 199 company-wide · 11 in G10H
#2 Beijing Dajia Internet Information Technology Co., Ltd. 12x 21 → 261 company-wide · 5 in G10H
#3 Beijing Bytedance Network Technology Co., Ltd. 7.60x 131 → 996 company-wide · 10 in G10H
#4 Algoriddim GMBH 6.00x 1 → 6 company-wide · 8 in G10H
#5 Daaci Limited 5.00x 0 → 5 company-wide · 6 in G10H

G10H grants by year, peak 2019 (354)

US utility-patent grants per year in G10H, 2015–2025 - recent five years are down 8% 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

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).

Classes near G10H's 3,197-grant footprint

Nationwide nearest neighbors for G10H (#306 of 670 by volume ; lead share 11.7%) - not the G10 parent-class siblings above.

Nearest by grant volume

C22B 3,163 A23K 3,247 H03B 3,110 C12R 3,107

Nearest by lead-assignee share

B61F 11.7% B60C 11.7% B65F 11.8% A61C 11.5%

Questions about G10H

Which company holds the most patents in G10H?

Yamaha Corporation leads G10H with 373 patents (11.7% of the subclass). By PatentsView assignee type, foreign corporations account for 70% of class grants.

Which G10H assignees grew fastest recently?

Among assignees with ≥5 grants in G10H, Lemon Inc. shows the highest company-wide grant multiple (199x: 1 grants in 2019–2021 → 199 in 2022–2024) while holding 11 patents in this subclass. Growth is company-wide, not class-only.

How does G10H compare inside parent class G10?

Inside G10 (Musical INSTRUMENTS; Acoustics), G10H ranks #3 of 8 subclasses by grant volume and holds 6.7% of the parent class total. The largest sibling is G10L (35,471 grants).

What to do with this data

G10H in context - here's where to go next.

Yamaha Corporation leads G10H with 373 grants in this class. See full portfolio
G10H ranks #306 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class G10, the largest sibling subclass is G10L with 35,471 grants. Explore G10L

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - G10H figures are USPTO PatentsView granted-utility totals for this subclass (3,197 grants in the tracked window).

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.