Where does Ningde Amperex Technology Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ningde Amperex Technology Limited ranks #1,299 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 Ningde Amperex Technology Limited hold?

Ningde Amperex Technology Limited holds 326 US utility patents granted between 2015 and 2025, spanning 34 technology areas.

What is Ningde Amperex Technology Limited's Innovation Score?

Ningde Amperex Technology Limited has an Innovation Score of 63.5 out of 100 (top 2% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ningde Amperex Technology Limited's patent grant rate increasing or decreasing?

Ningde Amperex Technology Limited's recent grant velocity is +622% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Ningde Amperex Technology Limited's patents?

Ningde Amperex Technology Limited's patents average 16.6 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 Ningde Amperex Technology Limited 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 Foreign Corporation

Ningde Amperex Technology Limited

Q: What technology areas does Ningde Amperex Technology Limited focus on?

Ningde Amperex Technology Limited's top technology area is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy) with 317 patents, ranking #24 of 2,332 assignees active in that subclass. Grants appear in 34 CPC subclasses total.

USPTO PatentsView assignee record - 326 granted patents across 34 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: H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Ningde ranks #1,299 of 49,997 tracked US assignees by granted-patent volume, with 326 patents across 34 technology areas.

#1,299
of 49,997 US assignees by volume: Top 2%
by Innovation Score (63.5/100): 16.6
avg claims per patent: +622%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1299 · Foreign Corporation #1,299 · 326 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 326 grants
TOP-DECILE #1,299/49,997
PHOTO-FINISH Bayer Pharma…
CPC-FOCUS H01M · 34 areas
INNOV-STRONG 63.5/100
CLAIMS-RICH 16.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +622% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Bayer Pharma Aktiengesellschaft (±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 Ningde’s 63.5 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 20.0 pts (31%) Velocity 13.0 pts (20%) Breadth 20.6 pts (32%) Claim depth 9.9 pts (16%)

Qualcomm Incorporated · highest

85
THE Texas A&M… · near

64
Ningde Amperex… · this assignee

64
China Agricultural… · near

64
Agilent · near

64
Dongwoo Fine-chem · near

64
3D Lighting… · lowest

7

What this shows Ningde's Innovation Score is 63.5/100 (top 2% 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 Ningde?

Each dot is one of Ningde’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). Ningde’s own 16.6 claims/patent is ABOVE the 14.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Ningde's grants concentrate

Ningde Amperex Technology Limited is a focused PatentsView assignee: 34 CPC subclasses with 97.2% of grants classified under H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy). Peak complete grant year is 2024 (77 grants) versus a trough of 1 in 2015. By volume, Ningde sits between Bayer Pharma Aktiengesellschaft and Chugai Seiyaku Kabushiki Kaisha.

Ningde's three-year grant acceleration

From 2019–2021 to 2022–2024, Ningde Amperex Technology Limited moved from 82 to 160 grants (1.95x 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 #223. See the growth leaderboard.

Bayer Pharma Akti…

326
Hangzhou Hikvisio…

326
Klemm + Sohn & KG

326
Littelfuse

326
Sick

326
Sumitomo Riko

326
University OF Con…

326
Ningde Amperex Te… ◀

326
Chugai Seiyaku

325

What this shows Ningde holds 326 patents at rank #1,299, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ningde

By rank, the assignees closest to #1,299 in granted patent volume.

Leaders in H01M (Processes OR Means)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Ningde, neither rank-band nor same-CPC leaders (those blocks stay above). In H01M (Processes OR Means), Ningde ranks #24 of 2,332 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (64 here).

China Agricultural University 64 THE Texas A&M University System 64 Dongwoo Fine-chem Co., Ltd. 64 Agilent Technologies, Inc. 64

Similar claim depth

Nearest assignees by average claims per patent (16.6 here).

SnapTrack, Inc. 16.6 avg Rolls-Royce High Temperature Composites, Inc. 16.6 avg Arbor Networks, Inc. 16.6 avg THE University OF Ottawa 16.6 avg

Ningde's Innovation Score vs. every tracked assignee

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

64 Top 2% higher than 98% 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

Ningde Amperex Technology Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	0.3%
2016	2	0.6%
2017	16	4.9%
2018	2	0.6%
2019	11	3.4%
2020	21	6.4%
2021	50	15.3%
2022	40	12.3%
2023	43	13.2%
2024	77	23.6%
2025partial year	63	19.3%

Which technologies does Ningde Amperex Technology Limited patent most?

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 317

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 306

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 121

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 23

Y02T - Climate Change Mitigation Technologies Related TO Transportation 17

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 15

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 12

C01G - Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f 11

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 8

C07D - Heterocyclic Compounds 8

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 7

C07C - Acyclic OR Carbocyclic Compounds 6

C07F - Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium 6

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 4

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 4

Top 15 of 34 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

Ningde Amperex Technology Limited's patent record in context - here's where to go next.

Ningde Amperex Technology Limited's lead technology class is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy), 97.2% of its portfolio - see every assignee active in that class. Explore H01M
Ranked #1,299 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ningde Amperex Technology Limited against Bayer Pharma Aktiengesellschaft, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 63.5/100 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.