Where does Enphase Energy, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Enphase Energy, Inc. ranks #2,173 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Enphase Energy, Inc. hold?

Enphase Energy, Inc. holds 181 US utility patents granted between 2015 and 2025, spanning 54 technology areas.

What is Enphase Energy, Inc.'s Innovation Score?

Enphase Energy, Inc. has an Innovation Score of 60.5 out of 100 (top 3% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Enphase Energy, Inc.'s patent grant rate increasing or decreasing?

Enphase Energy, Inc.'s recent grant velocity is -15% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Enphase Energy, Inc.'s patents?

Enphase Energy, Inc.'s patents average 18.3 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Enphase Energy, Inc. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView US Corporation

Enphase Energy, Inc.

Q: What technology areas does Enphase Energy, Inc. focus on?

Enphase Energy, Inc.'s top technology area is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy) with 105 patents, ranking #52 of 3,143 assignees active in that subclass. Grants appear in 54 CPC subclasses total.

USPTO PatentsView assignee record - 181 granted patents across 54 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Enphase ranks #2,173 of 49,997 tracked US assignees by granted-patent volume, with 181 patents across 54 technology areas.

#2,173
of 49,997 US assignees by volume: Top 3%
by Innovation Score (60.5/100): 18.3
avg claims per patent: -15%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2173 · US Corporation #2,173 · 181 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-DOWN · BOOK-FULL

GRANTS-MID 181 grants
TOP-DECILE #2,173/49,997
PHOTO-FINISH Devicor Medical…
CPC-WIDE H02J · 54 areas
INNOV-STRONG 60.5/100
CLAIMS-RICH 18.3 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -15% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Devicor Medical Products, Inc. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Enphase’s 60.5 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 18.0 pts (30%) Velocity 6.5 pts (11%) Breadth 25.0 pts (41%) Claim depth 11.0 pts (18%)

Qualcomm Incorporated · highest

85
Wing Aviation · near

60
Enphase Energy · this assignee

60
Fontem Ventures B V · near

60
Qisda · near

60
Yamaha · near

60
3D Lighting… · lowest

7

What this shows Enphase's Innovation Score is 60.5/100 (top 3% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Enphase?

Each dot is one of Enphase’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Enphase’s own 18.3 claims/patent is ABOVE the 15.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Enphase vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

How Enphase's grant cadence moved

Between 2020–2024, Enphase Energy, Inc. received 78 grants versus 92 in 2015–2019 (-15% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2016 at 24 grants and bottomed in 2020 at 11. Lead class H02J accounts for 58% of the portfolio across 54 subclasses. Volume neighbours: TPK Touch Solutions (XIAMEN) Inc. (#2,169) and 3shape A/S (#2,177).

Enphase's three-year grant acceleration

From 2019–2021 to 2022–2024, Enphase Energy, Inc. moved from 49 to 48 grants (0.98x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,234. See the growth leaderboard.

TPK Touch Solutio…

182
Toshiba Global Co…

182
Zhejiang Geely Ho…

182
Devicor Medical P…

181
Mentor Acquisitio…

181
Piaggio & C SPA

181
The Sherwin-willi…

181
Enphase Energy ◀

181
3shape A/S

180

What this shows Enphase holds 181 patents at rank #2,173, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Enphase

By rank, the assignees closest to #2,173 in granted patent volume.

Leaders in H02J (Circuit Arrangements OR Systems FOR Supplying OR Distribu…)

Other assignees with the most granted patents in Enphase's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Enphase, neither rank-band nor same-CPC leaders (those blocks stay above). In H02J (Circuit Arrangements OR Systems FOR Supplying OR Distribu…), Enphase ranks #52 of 3,143 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (60 here).

Qisda Corporation 60 Yamaha Corporation 60 Fontem Ventures B.V. 60 Wing Aviation LLC 60

Similar claim depth

Nearest assignees by average claims per patent (18.3 here).

Pony AI Inc. 18.3 avg Beijing Voyager Technology Co., Ltd. 18.3 avg ZIH Corp. 18.3 avg Experian Information Solutions, Inc. 18.3 avg

Enphase's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

60 Top 3% higher than 97% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Enphase Energy, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	16	8.8%
2016	24	13.3%
2017	14	7.7%
2018	19	10.5%
2019	19	10.5%
2020	11	6.1%
2021	19	10.5%
2022	20	11.0%
2023	12	6.6%
2024	16	8.8%
2025partial year	11	6.1%

Which technologies does Enphase Energy, Inc. patent most?

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 105

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 98

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 80

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 51

H02S - Generation OF Electric Power BY Conversion OF Infrared Radiation, Visible Light OR Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules 36

Y04S - Systems Integrating Technologies Related TO Power Network Operation, Communication OR Information Technologies FOR Improving THE Electrical Power Generation, Transmission, Distribution, Management OR Usage, i.e. Smart Grids 33

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 16

H04B - Transmission 13

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 12

G05F - Systems FOR Regulating Electric OR Magnetic Variables 10

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 9

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 9

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 9

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 8

H02H - Emergency Protective Circuit Arrangements 8

Top 15 of 54 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Enphase Energy, Inc.'s patent record in context - here's where to go next.

Enphase Energy, Inc.'s lead technology class is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy), 58% of its portfolio - see every assignee active in that class. Explore H02J
Ranked #2,173 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Enphase Energy, Inc. against TPK Touch Solutions (XIAMEN) Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 60.5/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

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

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

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

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

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

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. Data current as of May 2026.