PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

NuVolta Technologies (Hefei) Co., Ltd.

USPTO PatentsView assignee record - 41 granted patents across 16 technology areas, recorded in grant years 2020–2025. 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).

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The verdict

According to USPTO PatentsView, Nuvolta ranks #7,898 of 49,997 tracked US assignees by granted-patent volume, with 41 patents across 16 technology areas.

#7,898
of 49,997 US assignees by volume
Top 5%
by Innovation Score (57.6/100)
17.6
avg claims per patent

USPTO PatentsView assignee plate

Corpus R7898 · Foreign Corporation #7,898 · 41 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

  • GRANTS-SMALL 41 grants
  • UPPER-Q #7,898/49,997
  • PHOTO-FINISH National University…
  • CPC-FOCUS H02J · 16 areas
  • INNOV-PAR 57.6/100
  • CLAIMS-RICH 17.6 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • SPAN-YRS 2020–2025 · 6y
  • BOOK-RICH 9/10 fields

Nearest grant-volume peer: National University Corporation Ehime University (±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 Nuvolta’s 57.6 Innovation Score adds up

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

Innovation-score neighbourhood around Nuvolta

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Nuvolta's Innovation Score is 57.6/100 (top 5% 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Does more volume mean deeper claims for Nuvolta?

Each dot is one of Nuvolta’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). Nuvolta’s own 17.6 claims/patent is ABOVE the 15.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Nuvolta vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView. 2×2 strategic matrix plotting 9 entities by Granted patents (volume) (X) and Avg claims / patent (Y), with a crosshair dividing the plot into four quadrants. Volume + depthSelective & thoroughVolume over depthLean filer 40.941.041.04141.041.041.1 510152025 Granted patents (volume) Avg claims / patent National University Corporation Ehime University - 41, 10.1National Universi…Natron Energy, Inc. - 41, 13.54Natron EnergyNetIQ Corporation - 41, 15.93NetiqNetScout Systems Texas, LLC - 41, 15.71Netscout Systems…OL Security Limited Liability Company - 41, 21.34OL Security Liabi…Oetiker NY, Inc. - 41, 17.37Oetiker NYOliver Crispin Robotics Limited - 41, 19.22Oliver Crispin Ro…Omega Ophthalmics LLC - 41, 19.05Omega OphthalmicsNuVolta Technologies (Hefei) Co., Ltd. - 41, 17.61Nuvolta (Hefei)
Nuvolta vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Nuvolta's grants concentrate

NuVolta Technologies (Hefei) Co., Ltd. is a focused PatentsView assignee: 16 CPC subclasses with 87.8% of grants classified under H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy). Peak complete grant year is 2023 (16 grants) versus a trough of 1 in 2020. By volume, Nuvolta sits between National University Corporation Ehime University and Omega Ophthalmics LLC.

Nuvolta's three-year grant acceleration

NuVolta Technologies (Hefei) Co., Ltd. shows 28 grants in 2022–2024 against only 9 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Who files at NuVolta's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows NuVolta holds 41 patents at rank #7,899, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near NuVolta

By rank, the assignees closest to #7,899 in granted patent volume.

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

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for NuVolta, neither rank-band nor same-CPC leaders (those blocks stay above). In H02J (Circuit Arrangements OR Systems FOR Supplying OR Distribu…), NuVolta ranks #173 of 3,143 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (58 here).

Mettler-Toledo (Changzhou) Precision Instruments Ltd. 58 Bemis Manufacturing Company 58 Hongfujin Precision Electronics (ZHENGZHOU) Co., Ltd. 58 Hiroshima University 58

Nuvolta's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% of 49,997 US assignees

This assignee 0 100 every tracked assignee, bucketed by value

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

05101520 202020212022202320242025 4
USPTO utility patent grants by year · 2020–2025

Grants by year

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

View data table
NuVolta Technologies (Hefei) Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2020 1 2.4%
2021 8 19.5%
2022 8 19.5%
2023 16 39.0%
2024 4 9.8%
2025partial year 4 9.8%

Which technologies does NuVolta Technologies (Hefei) Co., Ltd. patent most?

Top 15 of 16 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

NuVolta Technologies (Hefei) Co., Ltd.'s patent record in context - here's where to go next.

  • NuVolta Technologies (Hefei) Co., Ltd.'s lead technology class is H02J (Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy), 87.8% of its portfolio - see every assignee active in that class. Explore H02J
  • Ranked #7,898 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare NuVolta Technologies (Hefei) Co., Ltd. against National University Corporation Ehime University, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 57.6/100 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

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.