CPC technology class · G10
G10G - Representation Of Music
Representation of music; recording music in notation form; accessories for music or musical instruments not otherwise provided for, e.g. supports. 395 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.
- 395
- US patents granted
- #5/8
- in G10
- 0.8%
- G10 class share
- -5%
- 5-yr velocity
The verdict
According to USPTO PatentsView, Representation Of Music ranks #558 of 670 CPC technology areas - 395 US patents granted since 2015, with recorded grant volume down 5% over five years.
- #558
- of 670 CPC technology areas
- 395
- US patents granted, 2015–2025
- Yamaha
- leading assignee (68)
- -5%
- grant velocity, last 5 yrs
How G10G's grant cadence moved
Between 2020–2024, G10G recorded 180 grants versus 189 in 2015–2019 (-5% equal-window velocity). Across complete years, output peaked in 2020 at 48 grants and bottomed in 2015 at 26 (+85% peak-over-trough). Lead assignee Yamaha Corporation holds 17.2% of the class ; the top three share 22.0%.
Leaderboard read
G10G concentration, lead at 17.2%
Yamaha Corporation leads this historical grant record at 17.2% of G10G - foreign corporation assignees hold 69% of class grants (130 of 189). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.
- Leader's share
- 17.2%
- Top three share
- 22.0%
- Lead over #2
- 56
68 of 395 grants
of the class's recorded grants
more grants than Randall May International Incorporated
Where G10G sits inside G10
Among 8 subclasses in G10 (Musical INSTRUMENTS; Acoustics), G10G ranks #5 and holds 0.8% 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.
Rising assignees active in G10G
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 Alphatheta Corporation 4.86x 7 → 34 company-wide · 5 in G10G
- #2 Ciari Guitars, Inc. 4.33x 3 → 13 company-wide · 5 in G10G
- #3 Roland Corporation 2.06x 50 → 103 company-wide · 6 in G10G
- #4 Playcore Wisconsin, Inc. 1.24x 17 → 21 company-wide · 5 in G10G
- #5 Yamaha Corporation 0.61x 457 → 280 company-wide · 68 in G10G
G10G grants by year, peak 2020 (48)
US utility-patent grants per year in G10G, 2015–2025 - recent five years are down 5% versus 2015–2019.
Who leads G10G?
The 12 most active assignees in Representation OF MUSIC; Recording Music IN Notation FORM; Accessories FOR Music OR Musical Instruments NOT Otherwise Provided FOR, e.g. Supports - wider bars mean more grants
- Yamaha
Yamaha Corporation
68 patents
- Randall May Internatio… 12
Randall May International Incorporated
12 patents
- Sunland Information… 7
Sunland Information Technology Co., Ltd.
7 patents
- Roland 6
Roland Corporation
6 patents
- Drum Workshop 6
Drum Workshop, Inc.
6 patents
- Alphatheta 5
Alphatheta Corporation
5 patents
- Playcore Wisconsin 5
Playcore Wisconsin, Inc.
5 patents
- Ciari Guitars 5
Ciari Guitars, Inc.
5 patents
- Llevinac S L 5
Llevinac, S.L.
5 patents
- Music Nomad 4
Music Nomad, LLC
4 patents
- Yousician Oy 4
Yousician OY
4 patents
- Moser-lucido-productio… 4
Moser-lucido-production, LLC
4 patents
What this shows Yamaha is the most active filer in G10G, holding 68 of the 395 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.
View data table
| Rank | Company | Patents in G10G |
|---|---|---|
| #1 | Yamaha Corporation | 68 |
| #2 | Randall May International Incorporated | 12 |
| #3 | Sunland Information Technology Co., Ltd. | 7 |
| #4 | Roland Corporation | 6 |
| #5 | Drum Workshop, Inc. | 6 |
| #6 | Alphatheta Corporation | 5 |
| #7 | Playcore Wisconsin, Inc. | 5 |
| #8 | Ciari Guitars, Inc. | 5 |
| #9 | Llevinac, S.L. | 5 |
| #10 | Music Nomad, LLC | 4 |
| #11 | Yousician OY | 4 |
| #12 | Moser-lucido-production, LLC | 4 |
| #13 | Landscape Structures Inc. | 3 |
| #14 | D'Addario & Company, Inc. | 3 |
| #15 | Obeebo Labs Ltd. | 3 |
| #16 | Reliance International Corp. | 3 |
| #17 | THE KUN Shoulder Rest Inc. | 3 |
| #18 | Gewa music GmbH | 3 |
| #19 | Joytunes Ltd. | 3 |
| #20 | D2L Corporation | 2 |
Footprint here vs. claim strategy
Each dot is a leading G10G 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.
Questions about G10G
Which company holds the most patents in G10G?
Which G10G assignees grew fastest recently?
How does G10G compare inside parent class G10?
What to do with this data
G10G in context - here's where to go next.
- Yamaha Corporation leads G10G with 68 grants in this class. See full portfolio
- G10G ranks #558 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 - G10G figures are USPTO PatentsView granted-utility totals for this subclass (395 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.