Where does Sunpower Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sunpower Corporation ranks #764 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 Sunpower Corporation hold?

Sunpower Corporation holds 601 US utility patents granted between 2015 and 2024, spanning 96 technology areas.

What is Sunpower Corporation's Innovation Score?

Sunpower Corporation has an Innovation Score of 59.8 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Sunpower Corporation's patent grant rate increasing or decreasing?

Sunpower Corporation's recent grant velocity is -44% 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 Sunpower Corporation's patents?

Sunpower Corporation's patents average 15.8 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 Sunpower Corporation 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

Sunpower Corporation

Q: What technology areas does Sunpower Corporation focus on?

Sunpower Corporation's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 503 patents. Grants appear in 96 CPC subclasses total.

USPTO PatentsView assignee record - 601 granted patents across 96 technology areas, recorded in grant years 2015–2024. 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Sunpower ranks #764 of 49,997 tracked US assignees by granted-patent volume, with 601 patents across 96 technology areas.

#764
of 49,997 US assignees by volume: Top 4%
by Innovation Score (59.8/100): 15.8
avg claims per patent: -44%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R764 · US Corporation #764 · 601 grants

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

GRANTS-MID 601 grants
TOP-DECILE #764/49,997
PHOTO-FINISH Ethicon Endo-Surgery
CPC-WIDE Y02E · 96 areas
INNOV-PAR 59.8/100
CLAIMS-RICH 15.8 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -44% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ethicon Endo-Surgery, 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.

Qualcomm Incorporated · highest

85
Pfizer · near

60
DOW Tray · near

60
Hitachi Industrial… · near

60
Sunpower · this assignee

60
The Government of… · near

60
3D Lighting… · lowest

7

What this shows Sunpower's Innovation Score is 59.8/100 (top 4% 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.

How Sunpower's grant cadence moved

Between 2020–2024, Sunpower Corporation received 215 grants versus 386 in 2015–2019 (-44% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2016 at 95 grants and bottomed in 2024 at 13. Lead class Y02E accounts for 83.7% of the portfolio across 96 subclasses. Volume neighbours: SAS Institute, Inc. (#760) and Donaldson Company, Inc. (#768).

Sunpower's three-year grant acceleration

From 2019–2021 to 2022–2024, Sunpower Corporation moved from 185 to 89 grants (0.48x 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 #2,737. See the growth leaderboard.

SAS Institute

604
DIC

602
Maxlinear

602
Ethicon Endo-surg…

601
Vitesco

601
Sunpower ◀

601
TDK Taiwan

598
Bio-rad Laborator…

597
Donaldson

597

What this shows Sunpower holds 601 patents at rank #764, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sunpower

By rank, the assignees closest to #764 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Sunpower, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (60 here).

Hitachi Industrial Equipment Systems Co., Ltd. 60 The Government of the United States, as represented by the Secretary of the Army 60 DOW Tray Co., Ltd. 60 Pfizer Inc. 60

Similar claim depth

Nearest assignees by average claims per patent (15.8 here).

Essilor International 15.8 avg BOE Technology Group Co., Ltd. 15.8 avg Dow Corning Corporation 15.8 avg Bestway Inflatables & Material Corp. 15.8 avg

Sunpower's Innovation Score vs. every tracked assignee

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

60 Top 4% higher than 96% 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 · 2015–2024

Grants by year

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

View data table

Sunpower Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	59	9.8%
2016	95	15.8%
2017	88	14.6%
2018	85	14.1%
2019	59	9.8%
2020	66	11.0%
2021	60	10.0%
2022	54	9.0%
2023	22	3.7%
2024	13	2.2%

Which technologies does Sunpower Corporation patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 503

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 340

H02S - Generation OF Electric Power BY Conversion OF Infrared Radiation, Visible Light OR Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules 212

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 142

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 118

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 93

F24S - Solar Heat COLLECTORS; Solar Heat Systems 90

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 45

H01L - Semiconductor Devices NOT Covered BY Class H10 43

Y10T - Technical Subjects Covered BY Former US Classification 37

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 27

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 19

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 14

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 13

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 13

Top 15 of 96 technology areas

Where it ranks

Overall rank by patents

#764

of 49,997 tracked assignees

Innovation Score

59.8 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Sunpower Corporation's patent record in context - here's where to go next.

Sunpower Corporation's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 83.7% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #764 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sunpower Corporation against SAS Institute, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 59.8/100 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.